#0A1603
Closest named color: Almost Black (#070D0D). oklch(18.3% 0.042 133.8), rgb(10, 22, 3).
Aa
White text reads best on this color (18.60:1).
About this color
#0A1603 is a very dark, muted green. In OKLCH its lightness is 18%, its chroma 0.042 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 0.049 away. White text reads best on it, at 18.60:1.
| Hue family | Greens |
| Lightness | very dark (18%) |
| Chroma | muted (0.042) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.12:1 |
| White text | 18.60:1 |
Values
| HEX | #0A1603 |
| RGB | rgb(10, 22, 3) |
| HSL | hsl(98, 76%, 5%) |
| OKLCH | oklch(18.3% 0.042 133.8) |
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 #0A1603 | 18.60:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #0A1603 | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #0A1603 text on white | 18.60:1 | AAA | Lc 105.1 | Preferred for body text |
| #0A1603 text on black | 1.12:1 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E6ECE2
oklch(93.6% 0.015 132.5)
-
Step 200
200
#D2DDCB
oklch(88.4% 0.027 133)
-
Step 300
300
#B4C8A8
oklch(80.9% 0.049 133.7)
-
Step 400
400
#8CAC79
oklch(70.7% 0.08 134.2)
-
Step 500
500
#709755
oklch(63.1% 0.103 133.5)
-
Step 600
600
#58813A
oklch(55.6% 0.11 133.7)
-
Step 700
700
#486D2C
oklch(49.1% 0.103 133.6)
-
Step 800
800
#3B5925
oklch(42.7% 0.086 133.7)
-
Step 900
900
#334923
oklch(37.7% 0.066 133.4)
-
Step 950
950 (this color)
#0A1603
oklch(18.3% 0.042 133.8)
#0A1603 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) | #171302 | 0.025 |
| Deuteranopia (no green cones) | #161304 | 0.025 |
| Tritanopia (no blue cones) | #0A1512 | 0.031 |
| Achromatopsia (no color) | #131313 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A1603
#0A1603
oklch(18.3% 0.042 133.8)
- #190C1F
#190C1F
oklch(18.3% 0.042 314.4)
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 #0A1603, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.049
- Rich Navy #001219 ΔE 0.054
- Rich Black #0D1B2A ΔE 0.075
- Very Dark Brown #1D0200 ΔE 0.080
- Dark Forest Green #002D04 ΔE 0.086
- Dark Brown #341C02 ΔE 0.090
- Very Dark Green #062E03 ΔE 0.091
- Jet #212529 ΔE 0.092
Use #0A1603 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.