#1A0503
Closest named color: Very Dark Brown (#1D0200). oklch(15.4% 0.04 31.1), rgb(26, 5, 3).
Aa
White text reads best on this color (19.68:1).
About this color
#1A0503 is a very dark, muted red. In OKLCH its lightness is 15%, its chroma 0.040 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.014 away. White text reads best on it, at 19.68:1.
| Hue family | Reds |
| Lightness | very dark (15%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.06:1 |
| White text | 19.68:1 |
Values
| HEX | #1A0503 |
| RGB | rgb(26, 5, 3) |
| HSL | hsl(5, 79%, 6%) |
| OKLCH | oklch(15.4% 0.04 31.1) |
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 #1A0503 | 19.68:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #1A0503 | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #1A0503 text on white | 19.68:1 | AAA | Lc 105.6 | Preferred for body text |
| #1A0503 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F3E7E4
oklch(93.7% 0.014 34.3)
-
Step 200
200
#EAD3CF
oklch(88.5% 0.026 29.4)
-
Step 300
300
#DEB6AE
oklch(80.9% 0.048 31.3)
-
Step 400
400
#CC8F83
oklch(70.7% 0.077 31.5)
-
Step 500
500
#BD7265
oklch(63% 0.098 30.6)
-
Step 600
600
#A85A4C
oklch(55.6% 0.105 31.3)
-
Step 700
700
#90493D
oklch(49.1% 0.099 30.9)
-
Step 800
800
#753C32
oklch(42.6% 0.082 31.2)
-
Step 900
900
#5F342C
oklch(37.7% 0.064 31.5)
-
Step 950
950 (this color)
#1A0503
oklch(15.4% 0.04 31.1)
#1A0503 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) | #0A0803 | 0.041 |
| Deuteranopia (no green cones) | #0F0D03 | 0.039 |
| Tritanopia (no blue cones) | #1E0205 | 0.018 |
| Achromatopsia (no color) | #0B0B0B | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A0503
#1A0503
oklch(15.4% 0.04 31.1)
- #000F12
#000F12
oklch(15.4% 0.027 208.8)
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 #1A0503, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.014
- Almost Black #070D0D ΔE 0.050
- Rich Navy #001219 ΔE 0.073
- Dark Maroon #3C0008 ΔE 0.088
- Rich Black #0D1B2A ΔE 0.096
- Deep Brown #410200 ΔE 0.100
- Dark Brown #341C02 ΔE 0.104
- Very Dark Purple #2A0134 ΔE 0.110
Use #1A0503 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.