#1B040C
Closest named color: Very Dark Brown (#1D0200). oklch(15.7% 0.045 359.5), rgb(27, 4, 12).
Aa
White text reads best on this color (19.63:1).
About this color
#1B040C is a very dark, muted red. In OKLCH its lightness is 16%, its chroma 0.045 and its hue 360°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.031 away. White text reads best on it, at 19.63:1.
| Hue family | Reds |
| Lightness | very dark (16%) |
| Chroma | muted (0.045) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.06:1 |
| White text | 19.63:1 |
Values
| HEX | #1B040C |
| RGB | rgb(27, 4, 12) |
| HSL | hsl(339, 74%, 6%) |
| OKLCH | oklch(15.7% 0.045 359.5) |
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 #1B040C | 19.63:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #1B040C | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #1B040C text on white | 19.63:1 | AAA | Lc 105.6 | Preferred for body text |
| #1B040C text on black | 1.06:1 | 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
#FAF3F5
oklch(97% 0.008 357.8)
-
Step 100
100
#F3E6E9
oklch(93.6% 0.015 1.6)
-
Step 200
200
#EBD1D8
oklch(88.4% 0.03 359.6)
-
Step 300
300
#DFB3BF
oklch(80.9% 0.053 0.2)
-
Step 400
400
#CD8A9F
oklch(70.7% 0.086 359.1)
-
Step 500
500
#BE6C87
oklch(63% 0.108 359.6)
-
Step 600
600
#AA5371
oklch(55.7% 0.118 359.8)
-
Step 700
700
#91435F
oklch(49.1% 0.11 359.3)
-
Step 800
800
#76374D
oklch(42.6% 0.092 359.6)
-
Step 900
900
#603040
oklch(37.7% 0.072 359.9)
-
Step 950
950 (this color)
#1B040C
oklch(15.7% 0.045 359.5)
#1B040C 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) | #07080C | 0.051 |
| Deuteranopia (no green cones) | #0E0D0B | 0.045 |
| Tritanopia (no blue cones) | #1E0307 | 0.013 |
| Achromatopsia (no color) | #0B0B0B | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B040C
#1B040C
oklch(15.7% 0.045 359.5)
- #00110D
#00110D
oklch(15.9% 0.029 178)
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 #1B040C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.031
- Almost Black #070D0D ΔE 0.055
- Rich Navy #001219 ΔE 0.072
- Dark Maroon #3C0008 ΔE 0.085
- Very Dark Purple #2A0134 ΔE 0.089
- Rich Black #0D1B2A ΔE 0.089
- Midnight Purple #280137 ΔE 0.092
- Midnight #03012D ΔE 0.099
Use #1B040C 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.