#621D05

Closest named color: Reddy Brown (#6E1005). oklch(33.8% 0.105 37.7), rgb(98, 29, 5).

Aa

White text reads best on this color (12.37:1).

About this color

#621D05 is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.105 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.029 away. White text reads best on it, at 12.37:1.

Hue familyReds
Lightnessdark (34%)
Chromamoderately saturated (0.105)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.69:1
White text12.37:1

Values

HEX#621D05
RGBrgb(98, 29, 5)
HSLhsl(15, 90%, 20%)
OKLCHoklch(33.8% 0.105 37.7)

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 #621D05 12.37:1 AAA Lc -100.9 Preferred for body text
Black text on #621D05 1.69:1 Fails Lc 0.0 Not readable
#621D05 text on white 12.37:1 AAA Lc 97.3 Preferred for body text
#621D05 text on black 1.69:1 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 900.

  1. Step 50

    50

    #FCF3F0

    oklch(97% 0.011 39.4)

  2. Step 100

    100

    #F8E5DF

    oklch(93.5% 0.022 38.3)

  3. Step 200

    200

    #F4D0C5

    oklch(88.5% 0.043 37.7)

  4. Step 300

    300

    #EEAF9C

    oklch(80.8% 0.079 37.5)

  5. Step 400

    400

    #E38366

    oklch(70.8% 0.126 37.6)

  6. Step 500

    500

    #D85F3A

    oklch(63.1% 0.161 37.5)

  7. Step 600

    600

    #C34110

    oklch(55.5% 0.174 37.8)

  8. Step 700

    700

    #A83200

    oklch(49.1% 0.162 37.8)

  9. Step 800

    800

    #892B07

    oklch(42.8% 0.135 38)

  10. Step 900

    900 (this color)

    #621D05

    oklch(33.8% 0.105 37.7)

  11. Step 950

    950

    #41190C

    oklch(27.1% 0.066 38.3)

Export this scale for Tailwind in the Tailwind colors tool

#621D05 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)#312B020.107
Deuteranopia (no green cones)#423A020.096
Tritanopia (no blue cones)#6D07190.044
Achromatopsia (no color)#3434340.106

Harmonies

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

Complementary

The opposite hue (180°).

  • #621D05

    #621D05

    oklch(33.8% 0.105 37.7)

  • #003F4C

    #003F4C

    oklch(33.9% 0.061 217)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #621D05

    #621D05

    oklch(33.8% 0.105 37.7)

  • #61192D

    #61192D

    oklch(33.8% 0.104 8.1)

  • #502F00

    #502F00

    oklch(33.9% 0.074 68.4)

Open the analogous palette in the generator

Split complementary

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

  • #621D05

    #621D05

    oklch(33.8% 0.105 37.7)

  • #00413D

    #00413D

    oklch(33.8% 0.059 187.9)

  • #003A63

    #003A63

    oklch(33.9% 0.09 247.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #621D05

    #621D05

    oklch(33.8% 0.105 37.7)

  • #004327

    #004327

    oklch(33.7% 0.079 158.1)

  • #2C2E6C

    #2C2E6C

    oklch(33.7% 0.106 277.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #621D05

    #621D05

    oklch(33.8% 0.105 37.7)

  • #2A3F00

    #2A3F00

    oklch(33.7% 0.088 127.7)

  • #003F4C

    #003F4C

    oklch(33.9% 0.061 217)

  • #462560

    #462560

    oklch(33.8% 0.104 307.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #621D05, closest first.

Similar named colors

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

Use #621D05 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.