#590404
Closest named color: Mahogany (#4A0100). oklch(29.5% 0.116 28.3), rgb(89, 4, 4).
Aa
White text reads best on this color (14.54:1).
About this color
#590404 is a dark, moderately saturated red. In OKLCH its lightness is 30%, its chroma 0.116 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.039 away. White text reads best on it, at 14.54:1.
| Hue family | Reds |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.116) |
| Temperature | warm |
| Nearest name | Mahogany (#4A0100) |
| Black text | 1.44:1 |
| White text | 14.54:1 |
Values
| HEX | #590404 |
| RGB | rgb(89, 4, 4) |
| HSL | hsl(0, 91%, 18%) |
| OKLCH | oklch(29.5% 0.116 28.3) |
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 #590404 | 14.54:1 | AAA | Lc -103.1 | Preferred for body text |
| Black text on #590404 | 1.44:1 | Fails | Lc 0.0 | Not readable |
| #590404 text on white | 14.54:1 | AAA | Lc 99.9 | Preferred for body text |
| #590404 text on black | 1.44:1 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FFE2DE
oklch(93.5% 0.033 27.1)
-
Step 200
200
#FFCBC3
oklch(88.6% 0.06 28.4)
-
Step 300
300
#FFA599
oklch(80.8% 0.109 28)
-
Step 400
400
#FF6A5B
oklch(70.8% 0.185 28.4)
-
Step 500
500
#FF0E15
oklch(63.1% 0.254 28.3)
-
Step 600
600
#D9000C
oklch(55.6% 0.228 28.3)
-
Step 700
700
#B80008
oklch(49.2% 0.201 28.3)
-
Step 800
800
#980005
oklch(42.7% 0.175 28.4)
-
Step 900
900
#800004
oklch(37.7% 0.154 28.2)
-
Step 950
950 (this color)
#590404
oklch(29.5% 0.116 28.3)
#590404 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) | #221D03 | 0.127 |
| Deuteranopia (no green cones) | #362F00 | 0.114 |
| Tritanopia (no blue cones) | #630006 | 0.023 |
| Achromatopsia (no color) | #292929 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #590404
#590404
oklch(29.5% 0.116 28.3)
- #00333A
#00333A
oklch(29.4% 0.051 209.4)
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 #590404, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mahogany #4A0100 ΔE 0.039
- Claret #680018 ΔE 0.042
- Burgundy #610023 ΔE 0.045
- Reddy Brown #6E1005 ΔE 0.055
- Chocolate Brown #411900 ΔE 0.061
- Deep Brown #410200 ΔE 0.061
- Blood #770001 ΔE 0.070
- Dark Maroon #3C0008 ΔE 0.076
Use #590404 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.