#B3740B
Closest named color: Caramel (#AF6F09). oklch(61.1% 0.129 71), rgb(179, 116, 11).
Aa
Black text reads best on this color (5.41:1).
About this color
#B3740B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 61%, its chroma 0.129 and its hue 71°. Its hue sits on the warm side of the wheel. The nearest named color is Caramel (#AF6F09), ΔE 0.015 away. Black text reads best on it, at 5.41:1.
| Hue family | Browns |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.129) |
| Temperature | warm |
| Nearest name | Caramel (#AF6F09) |
| Black text | 5.41:1 |
| White text | 3.87:1 |
Values
| HEX | #B3740B |
| RGB | rgb(179, 116, 11) |
| HSL | hsl(38, 88%, 37%) |
| OKLCH | oklch(61.1% 0.129 71) |
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 #B3740B | 3.87:1 | AA large text | Lc -71.4 | Content text, not long reading |
| Black text on #B3740B | 5.41:1 | AA | Lc 38.2 | Non-text elements, placeholder text |
| #B3740B text on white | 3.87:1 | AA large text | Lc 65.9 | Content text, not long reading |
| #B3740B text on black | 5.41:1 | AA | Lc -35.8 | 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
#F9F5EF
oklch(97.2% 0.009 78.3)
-
Step 100
100
#F2E8DD
oklch(93.6% 0.018 70.2)
-
Step 200
200
#E8D6C1
oklch(88.5% 0.035 71.6)
-
Step 300
300
#DBBA94
oklch(80.8% 0.063 70.7)
-
Step 400
400
#C89657
oklch(70.8% 0.1 71.4)
-
Step 500
500 (this color)
#B3740B
oklch(61.1% 0.129 71)
-
Step 600
600
#9E6500
oklch(55.5% 0.12 71.1)
-
Step 700
700
#865500
oklch(49.3% 0.106 71.2)
-
Step 800
800
#6E4500
oklch(42.8% 0.092 71.2)
-
Step 900
900
#5C3900
oklch(37.7% 0.081 71.3)
-
Step 950
950
#362104
oklch(26.9% 0.053 70.9)
#B3740B 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) | #897800 | 0.073 |
| Deuteranopia (no green cones) | #988711 | 0.064 |
| Tritanopia (no blue cones) | #C46463 | 0.105 |
| Achromatopsia (no color) | #818181 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3740B
#B3740B
oklch(61.1% 0.129 71)
- #4187CE
#4187CE
oklch(61.1% 0.129 251)
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 #B3740B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Caramel #AF6F09 ΔE 0.015
- Golden Brown #B27A01 ΔE 0.016
- Bronze #A87900 ΔE 0.023
- Leather #AC7434 ΔE 0.025
- Brown Orange #B96902 ΔE 0.027
- Mustard Brown #AC7E04 ΔE 0.028
- Tiger's Eye #BC6C25 ΔE 0.031
- Clay Brown #B2713D ΔE 0.036
Use #B3740B 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.