#1F0703
Closest named color: Very Dark Brown (#1D0200). oklch(17% 0.044 35.3), rgb(31, 7, 3).
Aa
White text reads best on this color (19.26:1).
About this color
#1F0703 is a very dark, muted red. In OKLCH its lightness is 17%, its chroma 0.044 and its hue 35°. 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 19.26:1.
| Hue family | Reds |
| Lightness | very dark (17%) |
| Chroma | muted (0.044) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.08:1 |
| White text | 19.26:1 |
Values
| HEX | #1F0703 |
| RGB | rgb(31, 7, 3) |
| HSL | hsl(9, 82%, 7%) |
| OKLCH | oklch(17% 0.044 35.3) |
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 #1F0703 | 19.26:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #1F0703 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #1F0703 text on white | 19.26:1 | AAA | Lc 105.4 | Preferred for body text |
| #1F0703 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F4E7E3
oklch(93.7% 0.015 37.9)
-
Step 200
200
#ECD3CC
oklch(88.6% 0.03 36.2)
-
Step 300
300
#E0B5AA
oklch(80.8% 0.053 34.7)
-
Step 400
400
#CF8E7D
oklch(70.7% 0.084 35.3)
-
Step 500
500
#C1705C
oklch(63% 0.108 34.8)
-
Step 600
600
#AC5742
oklch(55.5% 0.116 35)
-
Step 700
700
#944733
oklch(49.1% 0.109 35.6)
-
Step 800
800
#783B2B
oklch(42.7% 0.09 35.7)
-
Step 900
900
#613327
oklch(37.7% 0.07 35.6)
-
Step 950
950 (this color)
#1F0703
oklch(17% 0.044 35.3)
#1F0703 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) | #0D0B03 | 0.045 |
| Deuteranopia (no green cones) | #131003 | 0.040 |
| Tritanopia (no blue cones) | #230306 | 0.020 |
| Achromatopsia (no color) | #0E0E0E | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F0703
#1F0703
oklch(17% 0.044 35.3)
- #001318
#001318
oklch(17.2% 0.03 214.9)
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 #1F0703, 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 0.057
- Dark Maroon #3C0008 ΔE 0.074
- Rich Navy #001219 ΔE 0.076
- Deep Brown #410200 ΔE 0.085
- Dark Brown #341C02 ΔE 0.088
- Rich Black #0D1B2A ΔE 0.090
- Chocolate Brown #411900 ΔE 0.104
Use #1F0703 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.