#907173
Closest named color: Reddish Grey (#997570). oklch(57.9% 0.039 14), rgb(144, 113, 115).
Aa
Black text reads best on this color (4.79:1).
About this color
#907173 is a medium-dark, muted red. In OKLCH its lightness is 58%, its chroma 0.039 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Reddish Grey (#997570), ΔE 0.021 away. Black text reads best on it, at 4.79:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.039) |
| Temperature | warm |
| Nearest name | Reddish Grey (#997570) |
| Black text | 4.79:1 |
| White text | 4.37:1 |
Values
| HEX | #907173 |
| RGB | rgb(144, 113, 115) |
| HSL | hsl(356, 12%, 50%) |
| OKLCH | oklch(57.9% 0.039 14) |
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 #907173 | 4.37:1 | AA large text | Lc -75.8 | Fine for body text |
| Black text on #907173 | 4.79:1 | AA | Lc 33.8 | Non-text elements, placeholder text |
| #907173 text on white | 4.37:1 | AA large text | Lc 70.3 | Content text, not long reading |
| #907173 text on black | 4.79:1 | AA | Lc -31.3 | 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 600.
-
Step 50
50
#F7F5F5
oklch(97.2% 0.002 17.2)
-
Step 100
100
#EDE8E9
oklch(93.5% 0.006 3.3)
-
Step 200
200
#DFD7D7
oklch(88.6% 0.009 17.3)
-
Step 300
300
#CCBCBD
oklch(80.9% 0.018 13.2)
-
Step 400
400
#B29A9B
oklch(70.8% 0.029 15)
-
Step 500
500
#9E8183
oklch(63.1% 0.036 13.5)
-
Step 600
600 (this color)
#907173
oklch(57.9% 0.039 14)
-
Step 700
700
#74585A
oklch(49% 0.037 13.7)
-
Step 800
800
#5E484A
oklch(42.6% 0.03 12.3)
-
Step 900
900
#4D3D3E
oklch(37.7% 0.022 14)
-
Step 950
950
#2D2424
oklch(27.1% 0.014 18)
#907173 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) | #767573 | 0.042 |
| Deuteranopia (no green cones) | #7D7B73 | 0.039 |
| Tritanopia (no blue cones) | #966E72 | 0.012 |
| Achromatopsia (no color) | #797979 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #907173
#907173
oklch(57.9% 0.039 14)
- #5F8281
#5F8281
oklch(58% 0.039 193.9)
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 #907173, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddish Grey #997570 ΔE 0.021
- Purple Grey #866F85 ΔE 0.034
- Gray #808080 ΔE 0.044
- Medium Grey #7D7F7C ΔE 0.045
- Grey Purple #826D8C ΔE 0.049
- Purpley Grey #947E94 ΔE 0.053
- English Lavender #9D8189 ΔE 0.053
- Battleship Gray #6C757D ΔE 0.056
Use #907173 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.