#370323
Closest named color: Dark Plum (#3F012C). oklch(22.7% 0.088 348.4), rgb(55, 3, 35).
Aa
White text reads best on this color (17.50:1).
About this color
#370323 is a very dark, moderately saturated red. In OKLCH its lightness is 23%, its chroma 0.088 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 17.50:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.088) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.19:1 |
| White text | 17.50:1 |
Values
| HEX | #370323 |
| RGB | rgb(55, 3, 35) |
| HSL | hsl(323, 90%, 11%) |
| OKLCH | oklch(22.7% 0.088 348.4) |
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 #370323 | 17.50:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #370323 | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #370323 text on white | 17.50:1 | AAA | Lc 103.6 | Preferred for body text |
| #370323 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
#FAE2ED
oklch(93.5% 0.03 348.2)
-
Step 200
200
#F8CAE0
oklch(88.5% 0.059 348)
-
Step 300
300
#F4A5CC
oklch(81% 0.105 348.6)
-
Step 400
400
#EA70B2
oklch(70.8% 0.167 348.6)
-
Step 500
500
#DF409F
oklch(63.1% 0.214 348.3)
-
Step 600
600
#CA028A
oklch(55.6% 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
#72134E
oklch(37.7% 0.14 348.2)
-
Step 950
950 (this color)
#370323
oklch(22.7% 0.088 348.4)
#370323 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) | #0B1424 | 0.100 |
| Deuteranopia (no green cones) | #1B1D22 | 0.087 |
| Tritanopia (no blue cones) | #3C0112 | 0.035 |
| Achromatopsia (no color) | #191919 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #370323
#370323
oklch(22.7% 0.088 348.4)
- #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 #370323, 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 0.049
- Very Dark Purple #2A0134 ΔE 0.052
- Dark Purple #35063E ΔE 0.052
- Deep Purple #36013F ΔE 0.055
- Midnight Purple #280137 ΔE 0.060
Use #370323 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.