#91797C
Closest named color: Reddish Grey (#997570). oklch(60% 0.03 9.5), rgb(145, 121, 124).
Aa
Black text reads best on this color (5.22:1).
About this color
#91797C is a medium-dark, muted red. In OKLCH its lightness is 60%, its chroma 0.030 and its hue 10°. 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 5.22:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.030) |
| Temperature | warm |
| Nearest name | Reddish Grey (#997570) |
| Black text | 5.22:1 |
| White text | 4.01:1 |
Values
| HEX | #91797C |
| RGB | rgb(145, 121, 124) |
| HSL | hsl(353, 10%, 52%) |
| OKLCH | oklch(60% 0.03 9.5) |
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 #91797C | 4.01:1 | AA large text | Lc -72.9 | Content text, not long reading |
| Black text on #91797C | 5.22:1 | AA | Lc 36.6 | Non-text elements, placeholder text |
| #91797C text on white | 4.01:1 | AA large text | Lc 67.4 | Content text, not long reading |
| #91797C text on black | 5.22:1 | AA | Lc -34.2 | 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
#F7F5F5
oklch(97.2% 0.002 17.2)
-
Step 100
100
#EDE9E9
oklch(93.7% 0.004 17.2)
-
Step 200
200
#DED7D8
oklch(88.5% 0.008 7.3)
-
Step 300
300
#CABDBE
oklch(80.9% 0.015 12.1)
-
Step 400
400
#AF9B9D
oklch(70.8% 0.024 10.8)
-
Step 500
500 (this color)
#91797C
oklch(60% 0.03 9.5)
-
Step 600
600
#856C6F
oklch(55.6% 0.032 10)
-
Step 700
700
#715A5D
oklch(49.2% 0.03 9.4)
-
Step 800
800
#5C494C
oklch(42.6% 0.026 7.6)
-
Step 900
900
#4B3D3F
oklch(37.6% 0.02 8.4)
-
Step 950
950
#2C2425
oklch(27% 0.012 9.4)
#91797C 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) | #7C7C7C | 0.033 |
| Deuteranopia (no green cones) | #82807C | 0.029 |
| Tritanopia (no blue cones) | #96777A | 0.009 |
| Achromatopsia (no color) | #7F7F7F | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91797C
#91797C
oklch(60% 0.03 9.5)
- #6C8684
#6C8684
oklch(59.9% 0.03 190.6)
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 #91797C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddish Grey #997570 ΔE 0.020
- Gray #808080 ΔE 0.030
- English Lavender #9D8189 ΔE 0.033
- Medium Grey #7D7F7C ΔE 0.034
- Purpley Grey #947E94 ΔE 0.036
- Purple Grey #866F85 ΔE 0.041
- Warm Grey #978A84 ΔE 0.048
- Lavender Gray #7E7F9A ΔE 0.049
Use #91797C 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.