#1B0707
Closest named color: Very Dark Brown (#1D0200). oklch(16.3% 0.036 21.9), rgb(27, 7, 7).
Aa
White text reads best on this color (19.44:1).
About this color
#1B0707 is a very dark, muted red. In OKLCH its lightness is 16%, its chroma 0.036 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.023 away. White text reads best on it, at 19.44:1.
| Hue family | Reds |
| Lightness | very dark (16%) |
| Chroma | muted (0.036) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.08:1 |
| White text | 19.44:1 |
Values
| HEX | #1B0707 |
| RGB | rgb(27, 7, 7) |
| HSL | hsl(0, 59%, 7%) |
| OKLCH | oklch(16.3% 0.036 21.9) |
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 #1B0707 | 19.44:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #1B0707 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #1B0707 text on white | 19.44:1 | AAA | Lc 105.5 | Preferred for body text |
| #1B0707 text on black | 1.08:1 | 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
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F2E7E6
oklch(93.6% 0.012 23.7)
-
Step 200
200
#E9D3D2
oklch(88.5% 0.025 20.8)
-
Step 300
300
#DBB6B4
oklch(80.8% 0.043 21.7)
-
Step 400
400
#C8908D
oklch(70.7% 0.069 22.4)
-
Step 500
500
#B97471
oklch(63.2% 0.088 22.5)
-
Step 600
600
#A45B5A
oklch(55.6% 0.096 21.4)
-
Step 700
700
#8C4B4A
oklch(49.1% 0.088 21.7)
-
Step 800
800
#723E3D
oklch(42.8% 0.073 21.7)
-
Step 900
900
#5C3534
oklch(37.7% 0.056 21.7)
-
Step 950
950 (this color)
#1B0707
oklch(16.3% 0.036 21.9)
#1B0707 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) | #0B0A07 | 0.039 |
| Deuteranopia (no green cones) | #100F07 | 0.037 |
| Tritanopia (no blue cones) | #1E0507 | 0.010 |
| Achromatopsia (no color) | #0D0D0D | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B0707
#1B0707
oklch(16.3% 0.036 21.9)
- #001113
#001113
oklch(16.2% 0.028 203.6)
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 #1B0707, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.023
- Almost Black #070D0D ΔE 0.047
- Rich Navy #001219 ΔE 0.067
- Dark Maroon #3C0008 ΔE 0.083
- Rich Black #0D1B2A ΔE 0.085
- Deep Brown #410200 ΔE 0.095
- Dark Brown #341C02 ΔE 0.098
- Very Dark Purple #2A0134 ΔE 0.100
Use #1B0707 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.