#831E45
Closest named color: Red Purple (#820747). oklch(41.4% 0.139 2.3), rgb(131, 30, 69).
Aa
White text reads best on this color (9.38:1).
About this color
#831E45 is a dark, moderately saturated red. In OKLCH its lightness is 41%, its chroma 0.139 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Red Purple (#820747), ΔE 0.027 away. White text reads best on it, at 9.38:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.139) |
| Temperature | warm |
| Nearest name | Red Purple (#820747) |
| Black text | 2.23:1 |
| White text | 9.38:1 |
Values
| HEX | #831E45 |
| RGB | rgb(131, 30, 69) |
| HSL | hsl(337, 63%, 32%) |
| OKLCH | oklch(41.4% 0.139 2.3) |
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 #831E45 | 9.38:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #831E45 | 2.23:1 | Fails | Lc 13.4 | Not readable |
| #831E45 text on white | 9.38:1 | AAA | Lc 90.6 | Preferred for body text |
| #831E45 text on black | 2.23:1 | Fails | Lc -11.8 | Not readable |
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 800.
-
Step 50
50
#FCF3F5
oklch(97.2% 0.01 2)
-
Step 100
100
#F8E4E8
oklch(93.6% 0.022 3.8)
-
Step 200
200
#F4CDD6
oklch(88.4% 0.045 2.5)
-
Step 300
300
#EEABBC
oklch(80.9% 0.081 2.4)
-
Step 400
400
#E27C9A
oklch(70.7% 0.13 2.1)
-
Step 500
500
#D65681
oklch(63% 0.165 2.1)
-
Step 600
600
#C2366A
oklch(55.7% 0.18 2.6)
-
Step 700
700
#A72759
oklch(49.2% 0.167 2.3)
-
Step 800
800 (this color)
#831E45
oklch(41.4% 0.139 2.3)
-
Step 900
900
#6D233D
oklch(37.7% 0.108 2.1)
-
Step 950
950
#401624
oklch(27% 0.067 1.8)
#831E45 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) | #353A46 | 0.156 |
| Deuteranopia (no green cones) | #504D43 | 0.140 |
| Tritanopia (no blue cones) | #8F0A2F | 0.040 |
| Achromatopsia (no color) | #464646 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #831E45
#831E45
oklch(41.4% 0.139 2.3)
- #00584F
#00584F
oklch(41.3% 0.074 183)
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 #831E45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Purple #820747 ΔE 0.027
- Wine #80013F ΔE 0.031
- Red Wine #8C0034 ΔE 0.034
- Mulberry #920A4E ΔE 0.037
- Berry #990F4B ΔE 0.046
- Purple Red #990147 ΔE 0.047
- Bordeaux #7B002C ΔE 0.048
- Merlot #730039 ΔE 0.055
Use #831E45 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.