#A37375
Closest named color: Reddish Grey (#997570). oklch(60.5% 0.061 16.3), rgb(163, 115, 117).
Aa
Black text reads best on this color (5.26:1).
About this color
#A37375 is a medium-dark, muted red. In OKLCH its lightness is 60%, its chroma 0.061 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Reddish Grey (#997570), ΔE 0.020 away. Black text reads best on it, at 5.26:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.061) |
| Temperature | warm |
| Nearest name | Reddish Grey (#997570) |
| Black text | 5.26:1 |
| White text | 3.98:1 |
Values
| HEX | #A37375 |
| RGB | rgb(163, 115, 117) |
| HSL | hsl(357, 21%, 55%) |
| OKLCH | oklch(60.5% 0.061 16.3) |
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 #A37375 | 3.98:1 | AA large text | Lc -72.6 | Content text, not long reading |
| Black text on #A37375 | 5.26:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #A37375 text on white | 3.98:1 | AA large text | Lc 67.1 | Content text, not long reading |
| #A37375 text on black | 5.26:1 | AA | Lc -34.5 | 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
#F8F4F4
oklch(97% 0.004 17.2)
-
Step 100
100
#F0E8E8
oklch(93.7% 0.009 17.3)
-
Step 200
200
#E4D5D5
oklch(88.5% 0.017 17.5)
-
Step 300
300
#D3B9BA
oklch(80.8% 0.03 15.1)
-
Step 400
400
#BD9596
oklch(70.7% 0.048 16.7)
-
Step 500
500 (this color)
#A37375
oklch(60.5% 0.061 16.3)
-
Step 600
600
#966366
oklch(55.5% 0.066 15.6)
-
Step 700
700
#805255
oklch(49.1% 0.062 15.3)
-
Step 800
800
#684345
oklch(42.6% 0.052 15.9)
-
Step 900
900
#55393A
oklch(37.7% 0.04 16.8)
-
Step 950
950
#322122
oklch(26.9% 0.026 15.1)
#A37375 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) | #7B7A75 | 0.066 |
| Deuteranopia (no green cones) | #878374 | 0.061 |
| Tritanopia (no blue cones) | #AC6E74 | 0.019 |
| Achromatopsia (no color) | #7F7F7F | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A37375
#A37375
oklch(60.5% 0.061 16.3)
- #538D8E
#538D8E
oklch(60.4% 0.061 197.1)
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 #A37375, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddish Grey #997570 ΔE 0.020
- Mauve #AE7181 ΔE 0.028
- Pinkish Brown #B17261 ΔE 0.035
- English Lavender #9D8189 ΔE 0.039
- Dusky Rose #BA6873 ΔE 0.045
- Purpley Grey #947E94 ΔE 0.049
- Dusty Rose #C0737A ΔE 0.051
- Clay #B66A50 ΔE 0.055
Use #A37375 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.