#907178
Closest named color: Reddish Grey (#997570). oklch(58.1% 0.04 3.3), rgb(144, 113, 120).
Aa
Black text reads best on this color (4.81:1).
About this color
#907178 is a medium-dark, muted red. In OKLCH its lightness is 58%, its chroma 0.040 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Reddish Grey (#997570), ΔE 0.024 away. Black text reads best on it, at 4.81:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Reddish Grey (#997570) |
| Black text | 4.81:1 |
| White text | 4.35:1 |
Values
| HEX | #907178 |
| RGB | rgb(144, 113, 120) |
| HSL | hsl(346, 12%, 50%) |
| OKLCH | oklch(58.1% 0.04 3.3) |
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 #907178 | 4.35:1 | AA large text | Lc -75.7 | Fine for body text |
| Black text on #907178 | 4.81:1 | AA | Lc 33.9 | Non-text elements, placeholder text |
| #907178 text on white | 4.35:1 | AA large text | Lc 70.2 | Content text, not long reading |
| #907178 text on black | 4.81:1 | AA | Lc -31.5 | 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 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
#DFD6D8
oklch(88.4% 0.01 2)
-
Step 300
300
#CCBCBF
oklch(80.9% 0.019 4.6)
-
Step 400
400
#B1999F
oklch(70.6% 0.03 1)
-
Step 500
500
#9E8187
oklch(63.2% 0.037 4.3)
-
Step 600
600 (this color)
#907178
oklch(58.1% 0.04 3.3)
-
Step 700
700
#74585E
oklch(49.1% 0.038 4.3)
-
Step 800
800
#5E484D
oklch(42.7% 0.031 3.3)
-
Step 900
900
#4D3C40
oklch(37.6% 0.025 2.6)
-
Step 950
950
#2D2326
oklch(26.9% 0.016 358.3)
#907178 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) | #757678 | 0.044 |
| Deuteranopia (no green cones) | #7C7B77 | 0.041 |
| Tritanopia (no blue cones) | #966F73 | 0.012 |
| Achromatopsia (no color) | #797979 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #907178
#907178
oklch(58.1% 0.04 3.3)
- #60837D
#60837D
oklch(58.2% 0.041 183.2)
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 #907178, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddish Grey #997570 ΔE 0.024
- Purple Grey #866F85 ΔE 0.028
- Grey Purple #826D8C ΔE 0.043
- Gray #808080 ΔE 0.044
- Medium Grey #7D7F7C ΔE 0.046
- Purpley Grey #947E94 ΔE 0.048
- English Lavender #9D8189 ΔE 0.051
- Mauve #AE7181 ΔE 0.054
Use #907178 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.