#27100B
Closest named color: Dark Brown (#341C02). oklch(20.6% 0.04 33.4), rgb(39, 16, 11).
Aa
White text reads best on this color (18.02:1).
About this color
#27100B is a very dark, muted red. In OKLCH its lightness is 21%, its chroma 0.040 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.055 away. White text reads best on it, at 18.02:1.
| Hue family | Reds |
| Lightness | very dark (21%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.16:1 |
| White text | 18.02:1 |
Values
| HEX | #27100B |
| RGB | rgb(39, 16, 11) |
| HSL | hsl(11, 56%, 10%) |
| OKLCH | oklch(20.6% 0.04 33.4) |
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 #27100B | 18.02:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #27100B | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #27100B text on white | 18.02:1 | AAA | Lc 104.6 | Preferred for body text |
| #27100B text on black | 1.16:1 | 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F3E7E4
oklch(93.7% 0.014 34.3)
-
Step 200
200
#EAD3CE
oklch(88.4% 0.027 32.2)
-
Step 300
300
#DDB6AD
oklch(80.8% 0.047 33.2)
-
Step 400
400
#CB9082
oklch(70.7% 0.075 33.8)
-
Step 500
500
#BD7362
oklch(63.1% 0.098 33.7)
-
Step 600
600
#A85A49
oklch(55.6% 0.106 33.4)
-
Step 700
700
#904A3B
oklch(49.2% 0.098 33.3)
-
Step 800
800
#753D31
oklch(42.7% 0.081 33.2)
-
Step 900
900
#5F342B
oklch(37.7% 0.064 32.7)
-
Step 950
950 (this color)
#27100B
oklch(20.6% 0.04 33.4)
#27100B 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) | #16130B | 0.039 |
| Deuteranopia (no green cones) | #1B180B | 0.036 |
| Tritanopia (no blue cones) | #2B0C0F | 0.017 |
| Achromatopsia (no color) | #161616 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #27100B
#27100B
oklch(20.6% 0.04 33.4)
- #001C21
#001C21
oklch(20.8% 0.036 210.8)
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 #27100B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.055
- Dark Maroon #3C0008 ΔE 0.055
- Very Dark Brown #1D0200 ΔE 0.057
- Deep Brown #410200 ΔE 0.063
- Chocolate Brown #411900 ΔE 0.072
- Rich Black #0D1B2A ΔE 0.072
- Almost Black #070D0D ΔE 0.073
- Jet #212529 ΔE 0.074
Use #27100B 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.