#A37B69
Closest named color: Reddish Grey (#997570). oklch(61.7% 0.057 45.3), rgb(163, 123, 105).
Aa
Black text reads best on this color (5.59:1).
About this color
#A37B69 is a medium-dark, muted brown. In OKLCH its lightness is 62%, its chroma 0.057 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Reddish Grey (#997570), ΔE 0.028 away. Black text reads best on it, at 5.59:1.
| Hue family | Browns |
| Lightness | medium-dark (62%) |
| Chroma | muted (0.057) |
| Temperature | warm |
| Nearest name | Reddish Grey (#997570) |
| Black text | 5.59:1 |
| White text | 3.75:1 |
Values
| HEX | #A37B69 |
| RGB | rgb(163, 123, 105) |
| HSL | hsl(19, 24%, 53%) |
| OKLCH | oklch(61.7% 0.057 45.3) |
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 #A37B69 | 3.75:1 | AA large text | Lc -70.5 | Content text, not long reading |
| Black text on #A37B69 | 5.59:1 | AA | Lc 39.0 | Non-text elements, placeholder text |
| #A37B69 text on white | 3.75:1 | AA large text | Lc 65.0 | Content text, not long reading |
| #A37B69 text on black | 5.59:1 | AA | Lc -36.6 | 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
#F8F5F3
oklch(97.2% 0.004 56.4)
-
Step 100
100
#EFE8E5
oklch(93.6% 0.009 44.9)
-
Step 200
200
#E2D6D1
oklch(88.4% 0.015 44.2)
-
Step 300
300
#D1BBB2
oklch(80.8% 0.028 43.6)
-
Step 400
400
#B9988A
oklch(70.6% 0.044 44.2)
-
Step 500
500 (this color)
#A37B69
oklch(61.7% 0.057 45.3)
-
Step 600
600
#926855
oklch(55.6% 0.061 45.3)
-
Step 700
700
#7C5645
oklch(49% 0.057 45)
-
Step 800
800
#654739
oklch(42.7% 0.047 46)
-
Step 900
900
#533C31
oklch(37.9% 0.037 46.7)
-
Step 950
950
#30231D
oklch(27% 0.023 46)
#A37B69 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) | #857F68 | 0.049 |
| Deuteranopia (no green cones) | #8F8769 | 0.044 |
| Tritanopia (no blue cones) | #AD7576 | 0.033 |
| Achromatopsia (no color) | #848484 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A37B69
#A37B69
oklch(61.7% 0.057 45.3)
- #5F8D9F
#5F8D9F
oklch(61.7% 0.057 224.5)
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 #A37B69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddish Grey #997570 ΔE 0.028
- Pinkish Brown #B17261 ΔE 0.030
- Mocha #9D7651 ΔE 0.033
- Puce #A57E52 ΔE 0.034
- Brown Grey #8D8468 ΔE 0.042
- Tan Brown #AB7E4C ΔE 0.042
- Light Brown #AD8150 ΔE 0.044
- English Lavender #9D8189 ΔE 0.044
Use #A37B69 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.