#370223
Closest named color: Dark Plum (#3F012C). oklch(22.6% 0.09 348.2), rgb(55, 2, 35).
Aa
White text reads best on this color (17.56:1).
About this color
#370223 is a very dark, moderately saturated red. In OKLCH its lightness is 23%, its chroma 0.090 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.025 away. White text reads best on it, at 17.56:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.090) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.19:1 |
| White text | 17.56:1 |
Values
| HEX | #370223 |
| RGB | rgb(55, 2, 35) |
| HSL | hsl(323, 93%, 11%) |
| OKLCH | oklch(22.6% 0.09 348.2) |
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 #370223 | 17.56:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #370223 | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #370223 text on white | 17.56:1 | AAA | Lc 103.6 | Preferred for body text |
| #370223 text on black | 1.19:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#FDF2F7
oklch(97.1% 0.013 347.9)
-
Step 100
100
#FBE2ED
oklch(93.6% 0.031 349.3)
-
Step 200
200
#F8CAE0
oklch(88.5% 0.059 348)
-
Step 300
300
#F4A4CD
oklch(80.9% 0.107 347.7)
-
Step 400
400
#EB6EB3
oklch(70.7% 0.172 348.1)
-
Step 500
500
#E03DA0
oklch(63% 0.219 348)
-
Step 600
600
#CA008A
oklch(55.5% 0.233 348.2)
-
Step 700
700
#AB0074
oklch(49% 0.206 348.3)
-
Step 800
800
#8E005F
oklch(42.8% 0.179 348.6)
-
Step 900
900
#73114E
oklch(37.7% 0.143 348.5)
-
Step 950
950 (this color)
#370223
oklch(22.6% 0.09 348.2)
#370223 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) | #0A1324 | 0.102 |
| Deuteranopia (no green cones) | #1B1C22 | 0.087 |
| Tritanopia (no blue cones) | #3C0011 | 0.037 |
| Achromatopsia (no color) | #191919 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #370223
#370223
oklch(22.6% 0.09 348.2)
- #002318
#002318
oklch(22.7% 0.046 167.8)
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 #370223, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.025
- Eggplant #380835 ΔE 0.035
- Aubergine #3D0734 ΔE 0.035
- Dark Maroon #3C0008 ΔE 0.050
- Very Dark Purple #2A0134 ΔE 0.051
- Dark Purple #35063E ΔE 0.052
- Deep Purple #36013F ΔE 0.055
- Midnight Purple #280137 ΔE 0.059
Use #370223 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.