#0A1703
Closest named color: Almost Black (#070D0D). oklch(18.6% 0.044 134.5), rgb(10, 23, 3).
Aa
White text reads best on this color (18.47:1).
About this color
#0A1703 is a very dark, muted green. In OKLCH its lightness is 19%, its chroma 0.044 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.053 away. White text reads best on it, at 18.47:1.
| Hue family | Greens |
| Lightness | very dark (19%) |
| Chroma | muted (0.044) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.13:1 |
| White text | 18.47:1 |
Values
| HEX | #0A1703 |
| RGB | rgb(10, 23, 3) |
| HSL | hsl(99, 77%, 5%) |
| OKLCH | oklch(18.6% 0.044 134.5) |
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 #0A1703 | 18.47:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #0A1703 | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #0A1703 text on white | 18.47:1 | AAA | Lc 105.0 | Preferred for body text |
| #0A1703 text on black | 1.13:1 | 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
#F3F6F2
oklch(97% 0.006 137.8)
-
Step 100
100
#E6ECE2
oklch(93.6% 0.015 132.5)
-
Step 200
200
#D1DECB
oklch(88.6% 0.029 135.6)
-
Step 300
300
#B3C9A7
oklch(81% 0.052 134.5)
-
Step 400
400
#8BAC77
oklch(70.6% 0.083 134.1)
-
Step 500
500
#6E9854
oklch(63.2% 0.106 134.4)
-
Step 600
600
#558237
oklch(55.6% 0.117 134.5)
-
Step 700
700
#456E29
oklch(49.2% 0.109 134.6)
-
Step 800
800
#395924
oklch(42.6% 0.088 134.6)
-
Step 900
900
#314A22
oklch(37.8% 0.071 134.9)
-
Step 950
950 (this color)
#0A1703
oklch(18.6% 0.044 134.5)
#0A1703 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) | #181402 | 0.026 |
| Deuteranopia (no green cones) | #161304 | 0.026 |
| Tritanopia (no blue cones) | #0A1612 | 0.031 |
| Achromatopsia (no color) | #141414 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A1703
#0A1703
oklch(18.6% 0.044 134.5)
- #1A0C20
#1A0C20
oklch(18.5% 0.044 315)
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 #0A1703, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.053
- Rich Navy #001219 ΔE 0.056
- Rich Black #0D1B2A ΔE 0.075
- Dark Forest Green #002D04 ΔE 0.082
- Very Dark Brown #1D0200 ΔE 0.083
- Very Dark Green #062E03 ΔE 0.087
- Dark Brown #341C02 ΔE 0.088
- Jet #212529 ΔE 0.090
Use #0A1703 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.