#1B0507
Closest named color: Very Dark Brown (#1D0200). oklch(15.8% 0.041 16), rgb(27, 5, 7).
Aa
White text reads best on this color (19.60:1).
About this color
#1B0507 is a very dark, muted red. In OKLCH its lightness is 16%, its chroma 0.041 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.021 away. White text reads best on it, at 19.60:1.
| Hue family | Reds |
| Lightness | very dark (16%) |
| Chroma | muted (0.041) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.07:1 |
| White text | 19.60:1 |
Values
| HEX | #1B0507 |
| RGB | rgb(27, 5, 7) |
| HSL | hsl(355, 69%, 6%) |
| OKLCH | oklch(15.8% 0.041 16) |
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 #1B0507 | 19.60:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #1B0507 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #1B0507 text on white | 19.60:1 | AAA | Lc 105.6 | Preferred for body text |
| #1B0507 text on black | 1.07:1 | 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
#FAF4F4
oklch(97.2% 0.006 17.3)
-
Step 100
100
#F3E6E7
oklch(93.6% 0.014 12)
-
Step 200
200
#EAD2D3
oklch(88.4% 0.027 14.8)
-
Step 300
300
#DEB5B6
oklch(81% 0.048 16.5)
-
Step 400
400
#CC8D90
oklch(70.7% 0.077 16.1)
-
Step 500
500
#BE7075
oklch(63.2% 0.099 16.2)
-
Step 600
600
#A9575E
oklch(55.7% 0.107 15.8)
-
Step 700
700
#91474D
oklch(49.2% 0.1 16.4)
-
Step 800
800
#753A3F
oklch(42.6% 0.083 15.9)
-
Step 900
900
#5F3336
oklch(37.8% 0.064 16.2)
-
Step 950
950 (this color)
#1B0507
oklch(15.8% 0.041 16)
#1B0507 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) | #090907 | 0.045 |
| Deuteranopia (no green cones) | #0F0D07 | 0.040 |
| Tritanopia (no blue cones) | #1E0306 | 0.010 |
| Achromatopsia (no color) | #0C0C0C | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B0507
#1B0507
oklch(15.8% 0.041 16)
- #001011
#001011
oklch(15.7% 0.027 199.4)
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 #1B0507, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.021
- Almost Black #070D0D ΔE 0.051
- Rich Navy #001219 ΔE 0.071
- Dark Maroon #3C0008 ΔE 0.084
- Rich Black #0D1B2A ΔE 0.090
- Deep Brown #410200 ΔE 0.098
- Very Dark Purple #2A0134 ΔE 0.099
- Midnight Purple #280137 ΔE 0.103
Use #1B0507 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.