#840B23
Closest named color: Wine Red (#7B0323). oklch(39.4% 0.15 19.2), rgb(132, 11, 35).
Aa
White text reads best on this color (10.22:1).
About this color
#840B23 is a dark, vivid red. In OKLCH its lightness is 39%, its chroma 0.150 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Wine Red (#7B0323), ΔE 0.023 away. White text reads best on it, at 10.22:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | vivid (0.150) |
| Temperature | warm |
| Nearest name | Wine Red (#7B0323) |
| Black text | 2.05:1 |
| White text | 10.22:1 |
Values
| HEX | #840B23 |
| RGB | rgb(132, 11, 35) |
| HSL | hsl(348, 85%, 28%) |
| OKLCH | oklch(39.4% 0.15 19.2) |
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 #840B23 | 10.22:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #840B23 | 2.05:1 | Fails | Lc 12.1 | Not readable |
| #840B23 text on white | 10.22:1 | AAA | Lc 91.9 | Preferred for body text |
| #840B23 text on black | 2.05:1 | Fails | Lc -10.5 | 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 900.
-
Step 50
50
#FFF2F2
oklch(97.1% 0.014 17.4)
-
Step 100
100
#FFE2E1
oklch(93.6% 0.032 20.1)
-
Step 200
200
#FFCAC9
oklch(88.5% 0.06 19.6)
-
Step 300
300
#FFA4A5
oklch(80.9% 0.108 19)
-
Step 400
400
#FD6972
oklch(70.8% 0.181 19.3)
-
Step 500
500
#F52C4E
oklch(63% 0.231 19)
-
Step 600
600
#D7003A
oklch(55.7% 0.223 19.3)
-
Step 700
700
#B60030
oklch(49.1% 0.197 19.1)
-
Step 800
800
#960026
oklch(42.6% 0.171 19.1)
-
Step 900
900 (this color)
#840B23
oklch(39.4% 0.15 19.2)
-
Step 950
950
#4B0913
oklch(27.1% 0.096 18.9)
#840B23 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) | #353123 | 0.167 |
| Deuteranopia (no green cones) | #524A1F | 0.153 |
| Tritanopia (no blue cones) | #920017 | 0.032 |
| Achromatopsia (no color) | #414141 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #840B23
#840B23
oklch(39.4% 0.15 19.2)
- #005154
#005154
oklch(39.5% 0.067 199.1)
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 #840B23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Wine Red #7B0323 ΔE 0.023
- Bordeaux #7B002C ΔE 0.030
- Red Wine #8C0034 ΔE 0.031
- Dark Red #8B0000 ΔE 0.031
- Maroon #800000 ΔE 0.032
- Brick Red #8F1402 ΔE 0.041
- Blood #770001 ΔE 0.044
- Wine #80013F ΔE 0.048
Use #840B23 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.