#99737B
Closest named color: Reddish Grey (#997570). oklch(59.6% 0.049 4.7), rgb(153, 115, 123).
Aa
Black text reads best on this color (5.09:1).
About this color
#99737B is a medium-dark, muted red. In OKLCH its lightness is 60%, its chroma 0.049 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Reddish Grey (#997570), ΔE 0.019 away. Black text reads best on it, at 5.09:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.049) |
| Temperature | warm |
| Nearest name | Reddish Grey (#997570) |
| Black text | 5.09:1 |
| White text | 4.12:1 |
Values
| HEX | #99737B |
| RGB | rgb(153, 115, 123) |
| HSL | hsl(347, 16%, 53%) |
| OKLCH | oklch(59.6% 0.049 4.7) |
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 #99737B | 4.12:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #99737B | 5.09:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #99737B text on white | 4.12:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #99737B text on black | 5.09:1 | AA | Lc -33.4 | 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
#F7F4F5
oklch(97% 0.003 354.7)
-
Step 100
100
#EEE8E9
oklch(93.6% 0.007 5.6)
-
Step 200
200
#E1D6D8
oklch(88.5% 0.012 4.8)
-
Step 300
300
#CFBBBE
oklch(81% 0.023 7.3)
-
Step 400
400
#B7979D
oklch(70.7% 0.039 5.5)
-
Step 500
500 (this color)
#99737B
oklch(59.6% 0.049 4.7)
-
Step 600
600
#8F666F
oklch(55.5% 0.054 4.5)
-
Step 700
700
#79555D
oklch(49% 0.049 4.4)
-
Step 800
800
#63464C
oklch(42.8% 0.041 5.2)
-
Step 900
900
#513B3F
oklch(37.8% 0.032 6.6)
-
Step 950
950
#2F2225
oklch(26.9% 0.021 3.2)
#99737B 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) | #78797B | 0.053 |
| Deuteranopia (no green cones) | #817F7A | 0.049 |
| Tritanopia (no blue cones) | #A07176 | 0.013 |
| Achromatopsia (no color) | #7D7D7D | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99737B
#99737B
oklch(59.6% 0.049 4.7)
- #5D8982
#5D8982
oklch(59.6% 0.05 183.6)
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 #99737B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddish Grey #997570 ΔE 0.019
- Mauve #AE7181 ΔE 0.038
- Purple Grey #866F85 ΔE 0.039
- English Lavender #9D8189 ΔE 0.039
- Purpley Grey #947E94 ΔE 0.040
- Gray #808080 ΔE 0.049
- Grey Purple #826D8C ΔE 0.052
- Medium Grey #7D7F7C ΔE 0.052
Use #99737B 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.