#977F71
Closest named color: Reddish Grey (#997570). oklch(61.5% 0.036 52), rgb(151, 127, 113).
Aa
Black text reads best on this color (5.59:1).
About this color
#977F71 is a medium-dark, muted brown. In OKLCH its lightness is 61%, its chroma 0.036 and its hue 52°. Its hue sits on the warm side of the wheel. The nearest named color is Reddish Grey (#997570), ΔE 0.027 away. Black text reads best on it, at 5.59:1.
| Hue family | Browns |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.036) |
| Temperature | warm |
| Nearest name | Reddish Grey (#997570) |
| Black text | 5.59:1 |
| White text | 3.75:1 |
Values
| HEX | #977F71 |
| RGB | rgb(151, 127, 113) |
| HSL | hsl(22, 15%, 52%) |
| OKLCH | oklch(61.5% 0.036 52) |
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 #977F71 | 3.75:1 | AA large text | Lc -70.6 | Content text, not long reading |
| Black text on #977F71 | 5.59:1 | AA | Lc 39.0 | Non-text elements, placeholder text |
| #977F71 text on white | 3.75:1 | AA large text | Lc 65.1 | Content text, not long reading |
| #977F71 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
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#EDE9E7
oklch(93.7% 0.005 48.7)
-
Step 200
200
#DFD7D3
oklch(88.4% 0.01 48.6)
-
Step 300
300
#CABEB6
oklch(80.9% 0.018 56.1)
-
Step 400
400
#B09C91
oklch(70.7% 0.029 50.7)
-
Step 500
500 (this color)
#977F71
oklch(61.5% 0.036 52)
-
Step 600
600
#876D5E
oklch(55.6% 0.04 51.6)
-
Step 700
700
#725B4E
oklch(49.1% 0.036 51)
-
Step 800
800
#5D4B40
oklch(42.8% 0.03 53.1)
-
Step 900
900
#4C3E36
oklch(37.6% 0.024 51.4)
-
Step 950
950
#2D2520
oklch(27.2% 0.015 53.9)
#977F71 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) | #868170 | 0.027 |
| Deuteranopia (no green cones) | #8B8671 | 0.026 |
| Tritanopia (no blue cones) | #9E7B7B | 0.024 |
| Achromatopsia (no color) | #848484 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #977F71
#977F71
oklch(61.5% 0.036 52)
- #6F8997
#6F8997
oklch(61.5% 0.037 231.6)
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 #977F71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddish Grey #997570 ΔE 0.027
- Brown Grey #8D8468 ΔE 0.027
- Warm Grey #978A84 ΔE 0.034
- English Lavender #9D8189 ΔE 0.036
- Gray #808080 ΔE 0.039
- Mocha #9D7651 ΔE 0.041
- Medium Grey #7D7F7C ΔE 0.042
- Puce #A57E52 ΔE 0.044
Use #977F71 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.