#904F45
Closest named color: Sienna (#A0522D). oklch(50.2% 0.089 29.8), rgb(144, 79, 69).
Aa
White text reads best on this color (6.19:1).
About this color
#904F45 is a medium-dark, moderately saturated red. In OKLCH its lightness is 50%, its chroma 0.089 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.044 away. White text reads best on it, at 6.19:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.089) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.39:1 |
| White text | 6.19:1 |
Values
| HEX | #904F45 |
| RGB | rgb(144, 79, 69) |
| HSL | hsl(8, 35%, 42%) |
| OKLCH | oklch(50.2% 0.089 29.8) |
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 #904F45 | 6.19:1 | AA | Lc -85.8 | Fine for body text |
| Black text on #904F45 | 3.39:1 | AA large text | Lc 23.4 | Dividers and decoration only |
| #904F45 text on white | 6.19:1 | AA | Lc 80.6 | Fine for body text |
| #904F45 text on black | 3.39:1 | AA large text | Lc -21.2 | Dividers and decoration only |
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 700.
-
Step 50
50
#F9F4F3
oklch(97.1% 0.006 31.1)
-
Step 100
100
#F2E7E5
oklch(93.6% 0.012 29.9)
-
Step 200
200
#E9D4D0
oklch(88.6% 0.024 30.5)
-
Step 300
300
#DBB7B0
oklch(80.9% 0.043 30.9)
-
Step 400
400
#C89187
oklch(70.7% 0.069 30.5)
-
Step 500
500
#B9756A
oklch(63.2% 0.088 29.7)
-
Step 600
600
#A45C51
oklch(55.5% 0.097 29.7)
-
Step 700
700 (this color)
#904F45
oklch(50.2% 0.089 29.8)
-
Step 800
800
#723E36
oklch(42.6% 0.075 29.7)
-
Step 900
900
#5C352F
oklch(37.5% 0.058 29.4)
-
Step 950
950
#36201C
oklch(27.1% 0.035 30.8)
#904F45 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) | #5E5944 | 0.091 |
| Deuteranopia (no green cones) | #6E6644 | 0.084 |
| Tritanopia (no blue cones) | #9C454D | 0.036 |
| Achromatopsia (no color) | #616161 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #904F45
#904F45
oklch(50.2% 0.089 29.8)
- #00717F
#00717F
oklch(50.3% 0.087 209.7)
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 #904F45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.044
- Cocoa #875F42 ΔE 0.046
- Light Maroon #A24857 ΔE 0.048
- Dark Mauve #874C62 ΔE 0.050
- Saddle Brown #8B4513 ΔE 0.054
- Burnt Umber #A0450E ΔE 0.055
- Warm Brown #964E02 ΔE 0.058
- Brick #A03623 ΔE 0.058
Use #904F45 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.