#021F2A
Closest named color: Rich Black (#0D1B2A). oklch(22.4% 0.041 226.9), rgb(2, 31, 42).
Aa
White text reads best on this color (17.04:1).
About this color
#021F2A is a very dark, muted teal or cyan. In OKLCH its lightness is 22%, its chroma 0.041 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.018 away. White text reads best on it, at 17.04:1.
| Hue family | Teals and cyans |
| Lightness | very dark (22%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.23:1 |
| White text | 17.04:1 |
Values
| HEX | #021F2A |
| RGB | rgb(2, 31, 42) |
| HSL | hsl(196, 91%, 9%) |
| OKLCH | oklch(22.4% 0.041 226.9) |
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 #021F2A | 17.04:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #021F2A | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #021F2A text on white | 17.04:1 | AAA | Lc 103.8 | Preferred for body text |
| #021F2A text on black | 1.23:1 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C8DDE7
oklch(88.5% 0.026 227.9)
-
Step 300
300
#A1C8D9
oklch(81% 0.048 226.3)
-
Step 400
400
#6AABC6
oklch(70.8% 0.077 226.4)
-
Step 500
500
#3B95B7
oklch(63% 0.098 226.6)
-
Step 600
600
#027FA3
oklch(55.6% 0.106 226.5)
-
Step 700
700
#006B8A
oklch(49.2% 0.095 226.5)
-
Step 800
800
#005772
oklch(42.6% 0.083 227.6)
-
Step 900
900
#11485C
oklch(37.7% 0.064 227.2)
-
Step 950
950 (this color)
#021F2A
oklch(22.4% 0.041 226.9)
#021F2A 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) | #191E2B | 0.030 |
| Deuteranopia (no green cones) | #131A2A | 0.026 |
| Tritanopia (no blue cones) | #002223 | 0.021 |
| Achromatopsia (no color) | #1C1C1C | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #021F2A
#021F2A
oklch(22.4% 0.041 226.9)
- #2B150A
#2B150A
oklch(22.4% 0.041 46.5)
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 #021F2A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.018
- Dark #1B2431 ΔE 0.041
- Jet #212529 ΔE 0.050
- Oxford Blue #1B263B ΔE 0.052
- Rich Navy #001219 ΔE 0.056
- Navy Blue #001146 ΔE 0.074
- Almost Black #070D0D ΔE 0.078
- Space Cadet #2B2D42 ΔE 0.088
Use #021F2A 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.