#420604
Closest named color: Deep Brown (#410200). oklch(24.6% 0.09 28.8), rgb(66, 6, 4).
Aa
White text reads best on this color (16.67:1).
About this color
#420604 is a very dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.090 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.009 away. White text reads best on it, at 16.67:1.
| Hue family | Reds |
| Lightness | very dark (25%) |
| Chroma | moderately saturated (0.090) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.25:1 |
| White text | 16.67:1 |
Values
| HEX | #420604 |
| RGB | rgb(66, 6, 4) |
| HSL | hsl(2, 89%, 14%) |
| OKLCH | oklch(24.6% 0.09 28.8) |
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 #420604 | 16.67:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #420604 | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #420604 text on white | 16.67:1 | AAA | Lc 102.7 | Preferred for body text |
| #420604 text on black | 1.25:1 | 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
#FEE3DE
oklch(93.6% 0.031 30.2)
-
Step 200
200
#FECBC3
oklch(88.5% 0.059 28.6)
-
Step 300
300
#FEA699
oklch(80.9% 0.107 28.8)
-
Step 400
400
#F97060
oklch(70.8% 0.171 28.8)
-
Step 500
500
#F13C30
oklch(63.1% 0.219 28.8)
-
Step 600
600
#D90006
oklch(55.6% 0.228 28.8)
-
Step 700
700
#B80004
oklch(49.2% 0.201 28.8)
-
Step 800
800
#980003
oklch(42.7% 0.175 28.7)
-
Step 900
900
#7C0F0B
oklch(37.7% 0.143 28.7)
-
Step 950
950 (this color)
#420604
oklch(24.6% 0.09 28.8)
#420604 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) | #191603 | 0.099 |
| Deuteranopia (no green cones) | #282302 | 0.089 |
| Tritanopia (no blue cones) | #4A0006 | 0.020 |
| Achromatopsia (no color) | #1E1E1E | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #420604
#420604
oklch(24.6% 0.09 28.8)
- #00262B
#00262B
oklch(24.6% 0.042 207.9)
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 #420604, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.009
- Mahogany #4A0100 ΔE 0.019
- Dark Maroon #3C0008 ΔE 0.024
- Chocolate Brown #411900 ΔE 0.042
- Dark Brown #341C02 ΔE 0.057
- Dark Plum #3F012C ΔE 0.074
- Aubergine #3D0734 ΔE 0.085
- Burgundy #610023 ΔE 0.086
Use #420604 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.