#021B03
Closest named color: Rich Navy (#001219). oklch(19.5% 0.058 143.9), rgb(2, 27, 3).
Aa
White text reads best on this color (18.09:1).
About this color
#021B03 is a very dark, muted green. In OKLCH its lightness is 19%, its chroma 0.058 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.065 away. White text reads best on it, at 18.09:1.
| Hue family | Greens |
| Lightness | very dark (19%) |
| Chroma | muted (0.058) |
| Temperature | in between |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.16:1 |
| White text | 18.09:1 |
Values
| HEX | #021B03 |
| RGB | rgb(2, 27, 3) |
| HSL | hsl(122, 86%, 6%) |
| OKLCH | oklch(19.5% 0.058 143.9) |
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 #021B03 | 18.09:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #021B03 | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #021B03 text on white | 18.09:1 | AAA | Lc 104.6 | Preferred for body text |
| #021B03 text on black | 1.16:1 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E2EEE2
oklch(93.7% 0.02 145.4)
-
Step 200
200
#CBE0CA
oklch(88.5% 0.037 144)
-
Step 300
300
#A7CDA5
oklch(81% 0.069 143.6)
-
Step 400
400
#75B274
oklch(70.6% 0.109 144)
-
Step 500
500
#4E9F4F
oklch(63.2% 0.14 143.9)
-
Step 600
600
#2D8931
oklch(55.7% 0.152 143.8)
-
Step 700
700
#1E7423
oklch(49.1% 0.141 143.8)
-
Step 800
800
#1C5E1F
oklch(42.6% 0.116 143.9)
-
Step 900
900
#1E4E1F
oklch(37.8% 0.092 143.8)
-
Step 950
950 (this color)
#021B03
oklch(19.5% 0.058 143.9)
#021B03 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) | #1C1701 | 0.043 |
| Deuteranopia (no green cones) | #191504 | 0.043 |
| Tritanopia (no blue cones) | #001A16 | 0.037 |
| Achromatopsia (no color) | #161616 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #021B03
#021B03
oklch(19.5% 0.058 143.9)
- #210A23
#210A23
oklch(19.5% 0.057 324.4)
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 #021B03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.065
- Almost Black #070D0D ΔE 0.067
- Dark Forest Green #002D04 ΔE 0.068
- Very Dark Green #062E03 ΔE 0.073
- Rich Black #0D1B2A ΔE 0.080
- Jet #212529 ΔE 0.091
- Dark Brown #341C02 ΔE 0.093
- Dark #1B2431 ΔE 0.097
Use #021B03 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.