#651F05

Closest named color: Reddy Brown (#6E1005). oklch(34.6% 0.106 38.4), rgb(101, 31, 5).

Aa

White text reads best on this color (11.98:1).

About this color

#651F05 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.106 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.027 away. White text reads best on it, at 11.98:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.106)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.75:1
White text11.98:1

Values

HEX#651F05
RGBrgb(101, 31, 5)
HSLhsl(16, 91%, 21%)
OKLCHoklch(34.6% 0.106 38.4)

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 #651F05 11.98:1 AAA Lc -100.2 Preferred for body text
Black text on #651F05 1.75:1 Fails Lc 7.3 Not readable
#651F05 text on white 11.98:1 AAA Lc 96.6 Preferred for body text
#651F05 text on black 1.75:1 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

    #F9E5DF

    oklch(93.6% 0.023 37.4)

  3. Step 200

    200

    #F4D0C4

    oklch(88.5% 0.044 39.3)

  4. Step 300

    300

    #EFAF9B

    oklch(80.9% 0.081 38.1)

  5. Step 400

    400

    #E48264

    oklch(70.7% 0.129 37.8)

  6. Step 500

    500

    #D95F36

    oklch(63.2% 0.163 38.6)

  7. Step 600

    600

    #C44006

    oklch(55.5% 0.177 38.4)

  8. Step 700

    700

    #A73300

    oklch(49% 0.16 38.2)

  9. Step 800

    800

    #892A02

    oklch(42.7% 0.136 38.6)

  10. Step 900

    900 (this color)

    #651F05

    oklch(34.6% 0.106 38.4)

  11. Step 950

    950

    #41180B

    oklch(26.9% 0.068 38)

Export this scale for Tailwind in the Tailwind colors tool

#651F05 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)#342D010.107
Deuteranopia (no green cones)#453C020.096
Tritanopia (no blue cones)#70091A0.045
Achromatopsia (no color)#3737370.107

Harmonies

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

Complementary

The opposite hue (180°).

  • #651F05

    #651F05

    oklch(34.6% 0.106 38.4)

  • #00414F

    #00414F

    oklch(34.6% 0.062 218)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #651F05

    #651F05

    oklch(34.6% 0.106 38.4)

  • #641A2E

    #641A2E

    oklch(34.5% 0.106 8.6)

  • #533100

    #533100

    oklch(34.7% 0.076 68.5)

Open the analogous palette in the generator

Split complementary

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

  • #651F05

    #651F05

    oklch(34.6% 0.106 38.4)

  • #004340

    #004340

    oklch(34.5% 0.06 189.7)

  • #003C68

    #003C68

    oklch(34.8% 0.094 248.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #651F05

    #651F05

    oklch(34.6% 0.106 38.4)

  • #004629

    #004629

    oklch(34.7% 0.081 158.1)

  • #2F306F

    #2F306F

    oklch(34.6% 0.107 278.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #651F05

    #651F05

    oklch(34.6% 0.106 38.4)

  • #2B4200

    #2B4200

    oklch(34.7% 0.091 128.5)

  • #00414F

    #00414F

    oklch(34.6% 0.062 218)

  • #492663

    #492663

    oklch(34.6% 0.107 308.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #651F05, closest first.

Similar named colors

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

Use #651F05 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.