#42090C
Closest named color: Deep Brown (#410200). oklch(25% 0.086 23.5), rgb(66, 9, 12).
Aa
White text reads best on this color (16.45:1).
About this color
#42090C is a dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.086 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.018 away. White text reads best on it, at 16.45:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.086) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.27:1 |
| White text | 16.45:1 |
Values
| HEX | #42090C |
| RGB | rgb(66, 9, 12) |
| HSL | hsl(357, 76%, 15%) |
| OKLCH | oklch(25% 0.086 23.5) |
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 #42090C | 16.45:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #42090C | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #42090C text on white | 16.45:1 | AAA | Lc 102.7 | Preferred for body text |
| #42090C text on black | 1.27:1 | 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
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FDE3E1
oklch(93.6% 0.029 23)
-
Step 200
200
#FDCBC7
oklch(88.5% 0.057 23.6)
-
Step 300
300
#FCA7A1
oklch(81% 0.102 24)
-
Step 400
400
#F5726E
oklch(70.7% 0.162 23.8)
-
Step 500
500
#ED4148
oklch(63.1% 0.208 23.5)
-
Step 600
600
#D8002A
oklch(55.6% 0.225 23.5)
-
Step 700
700
#B70022
oklch(49.2% 0.199 23.5)
-
Step 800
800
#97001A
oklch(42.7% 0.172 23.6)
-
Step 900
900
#7A141B
oklch(37.8% 0.136 23.7)
-
Step 950
950 (this color)
#42090C
oklch(25% 0.086 23.5)
#42090C 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) | #1A170C | 0.093 |
| Deuteranopia (no green cones) | #28240A | 0.087 |
| Tritanopia (no blue cones) | #49000B | 0.019 |
| Achromatopsia (no color) | #1F1F1F | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42090C
#42090C
oklch(25% 0.086 23.5)
- #00272B
#00272B
oklch(24.9% 0.043 205.1)
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 #42090C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.018
- Mahogany #4A0100 ΔE 0.023
- Dark Maroon #3C0008 ΔE 0.026
- Chocolate Brown #411900 ΔE 0.042
- Dark Brown #341C02 ΔE 0.057
- Dark Plum #3F012C ΔE 0.065
- Aubergine #3D0734 ΔE 0.075
- Burgundy #610023 ΔE 0.080
Use #42090C 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.