#42150F
Closest named color: Chocolate Brown (#411900). oklch(26.7% 0.071 30.1), rgb(66, 21, 15).
Aa
White text reads best on this color (15.60:1).
About this color
#42150F is a dark, moderately saturated red. In OKLCH its lightness is 27%, its chroma 0.071 and its hue 30°. 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 15.60:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.071) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.34:1 |
| White text | 15.60:1 |
Values
| HEX | #42150F |
| RGB | rgb(66, 21, 15) |
| HSL | hsl(7, 63%, 16%) |
| OKLCH | oklch(26.7% 0.071 30.1) |
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 #42150F | 15.60:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #42150F | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #42150F text on white | 15.60:1 | AAA | Lc 102.1 | Preferred for body text |
| #42150F text on black | 1.34:1 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E0
oklch(93.6% 0.025 29.9)
-
Step 200
200
#F7CEC7
oklch(88.5% 0.048 29.4)
-
Step 300
300
#F2ACA0
oklch(80.8% 0.085 29.9)
-
Step 400
400
#E97D6D
oklch(70.7% 0.136 29.7)
-
Step 500
500
#DE5745
oklch(63% 0.173 30.2)
-
Step 600
600
#CA3525
oklch(55.6% 0.188 30.1)
-
Step 700
700
#AE2518
oklch(49.1% 0.175 30)
-
Step 800
800
#8D2217
oklch(42.6% 0.144 30)
-
Step 900
900
#722319
oklch(37.8% 0.113 30.3)
-
Step 950
950 (this color)
#42150F
oklch(26.7% 0.071 30.1)
#42150F 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) | #211D0E | 0.074 |
| Deuteranopia (no green cones) | #2C270E | 0.068 |
| Tritanopia (no blue cones) | #490B14 | 0.026 |
| Achromatopsia (no color) | #242424 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42150F
#42150F
oklch(26.7% 0.071 30.1)
- #002C32
#002C32
oklch(26.8% 0.046 208.8)
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 #42150F, 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 0.034
- Deep Brown #410200 ΔE 0.037
- Dark Brown #341C02 ΔE 0.043
- Dark Maroon #3C0008 ΔE 0.048
- Dark Plum #3F012C ΔE 0.076
- Jet #212529 ΔE 0.079
- Burgundy #610023 ΔE 0.080
Use #42150F 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.