#42120A
Closest named color: Chocolate Brown (#411900). oklch(26.1% 0.076 31.9), rgb(66, 18, 10).
Aa
White text reads best on this color (15.87:1).
About this color
#42120A is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.076 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.024 away. White text reads best on it, at 15.87:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.076) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.32:1 |
| White text | 15.87:1 |
Values
| HEX | #42120A |
| RGB | rgb(66, 18, 10) |
| HSL | hsl(9, 74%, 15%) |
| OKLCH | oklch(26.1% 0.076 31.9) |
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 #42120A | 15.87:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #42120A | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #42120A text on white | 15.87:1 | AAA | Lc 102.3 | Preferred for body text |
| #42120A text on black | 1.32:1 | 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
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#FBE4DF
oklch(93.6% 0.026 32.2)
-
Step 200
200
#F9CEC5
oklch(88.6% 0.05 31.8)
-
Step 300
300
#F5AB9C
oklch(80.8% 0.09 31.8)
-
Step 400
400
#ED7B66
oklch(70.8% 0.145 31.8)
-
Step 500
500
#E3523A
oklch(63.1% 0.185 31.8)
-
Step 600
600
#CF2D12
oklch(55.7% 0.201 31.8)
-
Step 700
700
#B21C00
oklch(49.1% 0.187 31.9)
-
Step 800
800
#911C08
oklch(42.8% 0.155 31.9)
-
Step 900
900
#742012
oklch(37.7% 0.12 32)
-
Step 950
950 (this color)
#42120A
oklch(26.1% 0.076 31.9)
#42120A 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) | #1F1C09 | 0.080 |
| Deuteranopia (no green cones) | #2B2608 | 0.073 |
| Tritanopia (no blue cones) | #490610 | 0.027 |
| Achromatopsia (no color) | #222222 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42120A
#42120A
oklch(26.1% 0.076 31.9)
- #002A31
#002A31
oklch(26.2% 0.045 211.6)
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 #42120A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.024
- Mahogany #4A0100 ΔE 0.029
- Deep Brown #410200 ΔE 0.030
- Dark Maroon #3C0008 ΔE 0.042
- Dark Brown #341C02 ΔE 0.043
- Dark Plum #3F012C ΔE 0.077
- Burgundy #610023 ΔE 0.082
- Jet #212529 ΔE 0.084
Use #42120A 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.