#B0640C
Closest named color: Umber (#B26400). oklch(57.8% 0.131 60.7), rgb(176, 100, 12).
Aa
Black text reads best on this color (4.67:1).
About this color
#B0640C is a medium-dark, moderately saturated brown. In OKLCH its lightness is 58%, its chroma 0.131 and its hue 61°. Its hue sits on the warm side of the wheel. The nearest named color is Umber (#B26400), ΔE 0.005 away. Black text reads best on it, at 4.67:1.
| Hue family | Browns |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.131) |
| Temperature | warm |
| Nearest name | Umber (#B26400) |
| Black text | 4.67:1 |
| White text | 4.49:1 |
Values
| HEX | #B0640C |
| RGB | rgb(176, 100, 12) |
| HSL | hsl(32, 87%, 37%) |
| OKLCH | oklch(57.8% 0.131 60.7) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #B0640C | 4.49:1 | AA large text | Lc -76.2 | Fine for body text |
| Black text on #B0640C | 4.67:1 | AA | Lc 33.3 | Non-text elements, placeholder text |
| #B0640C text on white | 4.49:1 | AA large text | Lc 70.8 | Content text, not long reading |
| #B0640C text on black | 4.67:1 | AA | Lc -30.9 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#FAF4F0
oklch(97.1% 0.008 56.3)
-
Step 100
100
#F3E8DF
oklch(93.7% 0.017 62)
-
Step 200
200
#EAD5C4
oklch(88.6% 0.033 61.4)
-
Step 300
300
#DEB89B
oklch(80.9% 0.059 59.2)
-
Step 400
400
#CC9362
oklch(70.8% 0.095 61.1)
-
Step 500
500
#BD7633
oklch(63% 0.12 60.7)
-
Step 600
600 (this color)
#B0640C
oklch(57.8% 0.131 60.7)
-
Step 700
700
#8E4E00
oklch(49% 0.114 60.5)
-
Step 800
800
#754000
oklch(42.8% 0.099 61.2)
-
Step 900
900
#5F360D
oklch(37.6% 0.079 60.5)
-
Step 950
950
#38200A
oklch(27% 0.05 60.4)
#B0640C 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #7B6C00 | 0.096 |
| Deuteranopia (no green cones) | #8D7E0D | 0.087 |
| Tritanopia (no blue cones) | #C15255 | 0.094 |
| Achromatopsia (no color) | #777777 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B0640C
#B0640C
oklch(57.8% 0.131 60.7)
- #0C81BF
#0C81BF
oklch(57.7% 0.131 241)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B0640C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Umber #B26400 ΔE 0.005
- Orangey Brown #B16002 ΔE 0.009
- Copper #B66325 ΔE 0.019
- Brown Orange #B96902 ΔE 0.022
- Raw Umber #A75E09 ΔE 0.024
- Orange Brown #BE6400 ΔE 0.026
- Caramel #AF6F09 ΔE 0.027
- Tiger's Eye #BC6C25 ΔE 0.033
Use #B0640C 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.