#420007

Closest named color: Deep Brown (#410200). oklch(23.9% 0.097 22.7), rgb(66, 0, 7).

Aa

White text reads best on this color (17.00:1).

About this color

#420007 is a very dark, moderately saturated red. In OKLCH its lightness is 24%, its chroma 0.097 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.013 away. White text reads best on it, at 17.00:1.

Hue familyReds
Lightnessvery dark (24%)
Chromamoderately saturated (0.097)
Temperaturewarm
Nearest nameDeep Brown (#410200)
Black text1.23:1
White text17.00:1

Values

HEX#420007
RGBrgb(66, 0, 7)
HSLhsl(354, 100%, 13%)
OKLCHoklch(23.9% 0.097 22.7)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #420007 17.00:1 AAA Lc -105.4 Preferred for body text
Black text on #420007 1.23:1 Fails Lc 0.0 Not readable
#420007 text on white 17.00:1 AAA Lc 102.8 Preferred for body text
#420007 text on black 1.23:1 Fails Lc 0.0 Not readable

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.

  1. Step 50

    50

    #FFF2F1

    oklch(97.1% 0.014 22.8)

  2. Step 100

    100

    #FFE2E0

    oklch(93.6% 0.032 22.5)

  3. Step 200

    200

    #FFCAC7

    oklch(88.5% 0.061 22.1)

  4. Step 300

    300

    #FFA4A0

    oklch(80.8% 0.109 22.5)

  5. Step 400

    400

    #FE6969

    oklch(70.7% 0.183 22.9)

  6. Step 500

    500

    #F72B40

    oklch(63.1% 0.234 22.8)

  7. Step 600

    600

    #D8002D

    oklch(55.7% 0.225 22.8)

  8. Step 700

    700

    #B70025

    oklch(49.2% 0.198 22.7)

  9. Step 800

    800

    #97001D

    oklch(42.7% 0.172 22.6)

  10. Step 900

    900

    #7F0017

    oklch(37.7% 0.152 22.5)

  11. Step 950

    950 (this color)

    #420007

    oklch(23.9% 0.097 22.7)

Export this scale for Tailwind in the Tailwind colors tool

#420007 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#1613070.107
Deuteranopia (no green cones)#2621050.097
Tritanopia (no blue cones)#4A00030.021
Achromatopsia (no color)#1C1C1C0.097

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #420007

    #420007

    oklch(23.9% 0.097 22.7)

  • #002527

    #002527

    oklch(24% 0.041 200.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #420007

    #420007

    oklch(23.9% 0.097 22.7)

  • #3E0123

    #3E0123

    oklch(24% 0.097 353.1)

  • #351500

    #351500

    oklch(24% 0.061 52.4)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #420007

    #420007

    oklch(23.9% 0.097 22.7)

  • #00261D

    #00261D

    oklch(23.9% 0.046 173)

  • #002332

    #002332

    oklch(24% 0.048 231.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #420007

    #420007

    oklch(23.9% 0.097 22.7)

  • #002800

    #002800

    oklch(24% 0.082 142.5)

  • #041A4C

    #041A4C

    oklch(23.9% 0.097 262.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #420007

    #420007

    oklch(23.9% 0.097 22.7)

  • #202100

    #202100

    oklch(23.9% 0.053 111.4)

  • #002527

    #002527

    oklch(24% 0.041 200.2)

  • #231047

    #231047

    oklch(23.9% 0.096 293.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #420007, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #420007 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.