#B37018
Closest named color: Caramel (#AF6F09). oklch(60.4% 0.126 66.6), rgb(179, 112, 24).
Aa
Black text reads best on this color (5.24:1).
About this color
#B37018 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 60%, its chroma 0.126 and its hue 67°. Its hue sits on the warm side of the wheel. The nearest named color is Caramel (#AF6F09), ΔE 0.010 away. Black text reads best on it, at 5.24:1.
| Hue family | Browns |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.126) |
| Temperature | warm |
| Nearest name | Caramel (#AF6F09) |
| Black text | 5.24:1 |
| White text | 4.00:1 |
Values
| HEX | #B37018 |
| RGB | rgb(179, 112, 24) |
| HSL | hsl(34, 76%, 40%) |
| OKLCH | oklch(60.4% 0.126 66.6) |
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 #B37018 | 4.00:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #B37018 | 5.24:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #B37018 text on white | 4.00:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #B37018 text on black | 5.24:1 | AA | Lc -34.7 | 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 500.
-
Step 50
50
#F9F4F0
oklch(97% 0.008 61.5)
-
Step 100
100
#F2E8DE
oklch(93.6% 0.017 67.6)
-
Step 200
200
#E9D5C2
oklch(88.4% 0.034 65.9)
-
Step 300
300
#DCB997
oklch(80.8% 0.061 66)
-
Step 400
400
#CA945B
oklch(70.6% 0.098 66.6)
-
Step 500
500 (this color)
#B37018
oklch(60.4% 0.126 66.6)
-
Step 600
600
#A36200
oklch(55.6% 0.124 66.2)
-
Step 700
700
#895200
oklch(49.1% 0.109 66.6)
-
Step 800
800
#714300
oklch(42.8% 0.095 66.9)
-
Step 900
900
#5E3702
oklch(37.6% 0.082 66.4)
-
Step 950
950
#372106
oklch(27% 0.052 67.8)
#B37018 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) | #867600 | 0.081 |
| Deuteranopia (no green cones) | #96851A | 0.071 |
| Tritanopia (no blue cones) | #C46060 | 0.098 |
| Achromatopsia (no color) | #7F7F7F | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B37018
#B37018
oklch(60.4% 0.126 66.6)
- #3787C8
#3787C8
oklch(60.4% 0.126 246.6)
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 #B37018, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Caramel #AF6F09 ΔE 0.010
- Brown Orange #B96902 ΔE 0.018
- Leather #AC7434 ΔE 0.020
- Tiger's Eye #BC6C25 ΔE 0.022
- Clay Brown #B2713D ΔE 0.027
- Umber #B26400 ΔE 0.028
- Golden Brown #B27A01 ΔE 0.028
- Orange Brown #BE6400 ΔE 0.031
Use #B37018 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.