#A45951
Closest named color: Sienna (#A0522D). oklch(55% 0.1 27.2), rgb(164, 89, 81).
Aa
White text reads best on this color (5.08:1).
About this color
#A45951 is a medium-dark, moderately saturated red. In OKLCH its lightness is 55%, its chroma 0.100 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.043 away. White text reads best on it, at 5.08:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.100) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 4.12:1 |
| White text | 5.08:1 |
Values
| HEX | #A45951 |
| RGB | rgb(164, 89, 81) |
| HSL | hsl(6, 34%, 48%) |
| OKLCH | oklch(55% 0.1 27.2) |
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 #A45951 | 5.08:1 | AA | Lc -80.2 | Fine for body text |
| Black text on #A45951 | 4.12:1 | AA large text | Lc 29.3 | Dividers and decoration only |
| #A45951 text on white | 5.08:1 | AA | Lc 74.8 | Content text, not long reading |
| #A45951 text on black | 4.12:1 | AA large text | Lc -26.9 | 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 600.
-
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
#E9D3D0
oklch(88.4% 0.025 26.9)
-
Step 300
300
#DCB6B1
oklch(80.8% 0.045 26.9)
-
Step 400
400
#CA9088
oklch(70.8% 0.072 27.8)
-
Step 500
500
#BB736B
oklch(63.1% 0.093 26.8)
-
Step 600
600 (this color)
#A45951
oklch(55% 0.1 27.2)
-
Step 700
700
#8E4A43
oklch(49.1% 0.093 27.1)
-
Step 800
800
#733D37
oklch(42.6% 0.077 27.4)
-
Step 900
900
#5E3530
oklch(37.9% 0.06 27.7)
-
Step 950
950
#371F1C
oklch(27% 0.038 27.6)
#A45951 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) | #6A6550 | 0.104 |
| Deuteranopia (no green cones) | #7D7450 | 0.095 |
| Tritanopia (no blue cones) | #B24E57 | 0.037 |
| Achromatopsia (no color) | #6E6E6E | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A45951
#A45951
oklch(55% 0.1 27.2)
- #00818E
#00818E
oklch(55.1% 0.095 207.2)
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 #A45951, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.043
- Light Maroon #A24857 ΔE 0.045
- Earth #A2653E ΔE 0.045
- Dusty Red #B9484E ΔE 0.049
- Dark Rose #B5485D ΔE 0.054
- Sepia #985E2B ΔE 0.057
- Clay #B66A50 ΔE 0.058
- Dull Red #BB3F3F ΔE 0.061
Use #A45951 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.