#400623
Closest named color: Dark Plum (#3F012C). oklch(25% 0.091 355.9), rgb(64, 6, 35).
Aa
White text reads best on this color (16.55:1).
About this color
#400623 is a very dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.091 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.023 away. White text reads best on it, at 16.55:1.
| Hue family | Reds |
| Lightness | very dark (25%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.26:1 |
| White text | 16.55:1 |
Values
| HEX | #400623 |
| RGB | rgb(64, 6, 35) |
| HSL | hsl(330, 83%, 14%) |
| OKLCH | oklch(25% 0.091 355.9) |
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 #400623 | 16.55:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #400623 | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #400623 text on white | 16.55:1 | AAA | Lc 102.7 | Preferred for body text |
| #400623 text on black | 1.26:1 | 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
#FEF2F6
oklch(97.2% 0.014 355)
-
Step 100
100
#FCE2EA
oklch(93.6% 0.03 357.1)
-
Step 200
200
#FBC9DA
oklch(88.4% 0.061 356.1)
-
Step 300
300
#F9A3C3
oklch(80.9% 0.109 355.9)
-
Step 400
400
#F16CA4
oklch(70.7% 0.173 356.1)
-
Step 500
500
#E7388E
oklch(63.1% 0.22 355.8)
-
Step 600
600
#CE0078
oklch(55.5% 0.228 355.7)
-
Step 700
700
#AF0065
oklch(49.2% 0.201 355.8)
-
Step 800
800
#900052
oklch(42.6% 0.175 355.8)
-
Step 900
900
#760D44
oklch(37.6% 0.143 355.8)
-
Step 950
950 (this color)
#400623
oklch(25% 0.091 355.9)
#400623 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) | #131824 | 0.102 |
| Deuteranopia (no green cones) | #232222 | 0.090 |
| Tritanopia (no blue cones) | #460113 | 0.031 |
| Achromatopsia (no color) | #1F1F1F | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #400623
#400623
oklch(25% 0.091 355.9)
- #002921
#002921
oklch(25.1% 0.047 176.1)
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 #400623, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.023
- Aubergine #3D0734 ΔE 0.034
- Eggplant #380835 ΔE 0.041
- Dark Maroon #3C0008 ΔE 0.046
- Deep Brown #410200 ΔE 0.056
- Eggplant Purple #430541 ΔE 0.057
- Mahogany #4A0100 ΔE 0.059
- Dark Purple #35063E ΔE 0.061
Use #400623 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.