#973739
Closest named color: Brick (#A03623). oklch(47.4% 0.129 22.3), rgb(151, 55, 57).
Aa
White text reads best on this color (7.18:1).
About this color
#973739 is a medium-dark, moderately saturated red. In OKLCH its lightness is 47%, its chroma 0.129 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Brick (#A03623), ΔE 0.030 away. White text reads best on it, at 7.18:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.129) |
| Temperature | warm |
| Nearest name | Brick (#A03623) |
| Black text | 2.92:1 |
| White text | 7.18:1 |
Values
| HEX | #973739 |
| RGB | rgb(151, 55, 57) |
| HSL | hsl(359, 47%, 40%) |
| OKLCH | oklch(47.4% 0.129 22.3) |
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 #973739 | 7.18:1 | AAA | Lc -89.1 | Fine for body text |
| Black text on #973739 | 2.92:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #973739 text on white | 7.18:1 | AAA | Lc 84.2 | Fine for body text |
| #973739 text on black | 2.92:1 | Fails | Lc -17.8 | 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F6E5E4
oklch(93.5% 0.019 21.6)
-
Step 200
200
#EFD1CF
oklch(88.5% 0.034 22.4)
-
Step 300
300
#E7B1AE
oklch(80.9% 0.063 22.2)
-
Step 400
400
#D88784
oklch(70.7% 0.1 22.2)
-
Step 500
500
#CB6765
oklch(63.1% 0.127 22.5)
-
Step 600
600
#B64C4D
oklch(55.5% 0.138 22.1)
-
Step 700
700 (this color)
#973739
oklch(47.4% 0.129 22.3)
-
Step 800
800
#7F3333
oklch(42.7% 0.106 22.6)
-
Step 900
900
#672D2D
oklch(37.7% 0.084 21.9)
-
Step 950
950
#3C1B1A
oklch(26.9% 0.052 22.9)
#973739 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) | #4F4B38 | 0.140 |
| Deuteranopia (no green cones) | #685F37 | 0.128 |
| Tritanopia (no blue cones) | #A52439 | 0.037 |
| Achromatopsia (no color) | #575757 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #973739
#973739
oklch(47.4% 0.129 22.3)
- #00696F
#00696F
oklch(47.4% 0.081 201.7)
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 #973739, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick #A03623 ΔE 0.030
- Brown #A52A2A ΔE 0.032
- Auburn #9B2226 ΔE 0.034
- Burnt Red #9F2305 ΔE 0.047
- Red Brown #8B2E16 ΔE 0.048
- Brown Red #922B05 ΔE 0.049
- Russet #A13905 ΔE 0.050
- Rust Red #AA2704 ΔE 0.053
Use #973739 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.