#021C1D
Closest named color: Rich Black (#0D1B2A). oklch(20.7% 0.033 198.4), rgb(2, 28, 29).
Aa
White text reads best on this color (17.70:1).
About this color
#021C1D is a very dark, muted teal or cyan. In OKLCH its lightness is 21%, its chroma 0.033 and its hue 198°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.032 away. White text reads best on it, at 17.70:1.
| Hue family | Teals and cyans |
| Lightness | very dark (21%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.18:1 |
| White text | 17.70:1 |
Values
| HEX | #021C1D |
| RGB | rgb(2, 28, 29) |
| HSL | hsl(182, 87%, 6%) |
| OKLCH | oklch(20.7% 0.033 198.4) |
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 #021C1D | 17.70:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #021C1D | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #021C1D text on white | 17.70:1 | AAA | Lc 104.4 | Preferred for body text |
| #021C1D text on black | 1.18:1 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECEC
oklch(93.6% 0.011 197)
-
Step 200
200
#CADEDE
oklch(88.6% 0.021 196.8)
-
Step 300
300
#A4C9CA
oklch(80.9% 0.039 198.4)
-
Step 400
400
#71ADAF
oklch(70.7% 0.062 198.5)
-
Step 500
500
#47989B
oklch(63.1% 0.079 198.6)
-
Step 600
600
#218286
oklch(55.5% 0.085 199.1)
-
Step 700
700
#0F6E71
oklch(49% 0.08 198.3)
-
Step 800
800
#135A5C
oklch(42.7% 0.066 197.8)
-
Step 900
900
#194A4C
oklch(37.7% 0.052 199)
-
Step 950
950 (this color)
#021C1D
oklch(20.7% 0.033 198.4)
#021C1D 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) | #191A1D | 0.033 |
| Deuteranopia (no green cones) | #15171D | 0.031 |
| Tritanopia (no blue cones) | #001D1C | 0.005 |
| Achromatopsia (no color) | #181818 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #021C1D
#021C1D
oklch(20.7% 0.033 198.4)
- #251112
#251112
oklch(20.7% 0.034 17.2)
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 #021C1D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.032
- Rich Navy #001219 ΔE 0.040
- Almost Black #070D0D ΔE 0.059
- Dark #1B2431 ΔE 0.059
- Jet #212529 ΔE 0.062
- Oxford Blue #1B263B ΔE 0.074
- Dark Forest Green #002D04 ΔE 0.086
- Very Dark Green #062E03 ΔE 0.090
Use #021C1D 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.