#021C1C
Closest named color: Rich Black (#0D1B2A). oklch(20.6% 0.033 194.9), rgb(2, 28, 28).
Aa
White text reads best on this color (17.71:1).
About this color
#021C1C is a very dark, muted teal or cyan. In OKLCH its lightness is 21%, its chroma 0.033 and its hue 195°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.034 away. White text reads best on it, at 17.71:1.
| 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 | 17.71:1 |
Values
| HEX | #021C1C |
| RGB | rgb(2, 28, 28) |
| HSL | hsl(180, 87%, 6%) |
| OKLCH | oklch(20.6% 0.033 194.9) |
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 #021C1C | 17.71:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #021C1C | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #021C1C text on white | 17.71:1 | AAA | Lc 104.4 | Preferred for body text |
| #021C1C 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEC
oklch(93.6% 0.011 197)
-
Step 200
200
#CADEDD
oklch(88.5% 0.021 193.1)
-
Step 300
300
#A5C9C8
oklch(80.9% 0.038 194.3)
-
Step 400
400
#71ADAC
oklch(70.6% 0.062 194.5)
-
Step 500
500
#479898
oklch(63% 0.079 195.3)
-
Step 600
600
#218383
oklch(55.7% 0.086 195)
-
Step 700
700
#106F6F
oklch(49.2% 0.08 194.9)
-
Step 800
800
#145A5A
oklch(42.7% 0.066 195)
-
Step 900
900
#1A4A4A
oklch(37.7% 0.051 195.2)
-
Step 950
950 (this color)
#021C1C
oklch(20.6% 0.033 194.9)
#021C1C 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) | #191A1C | 0.033 |
| Deuteranopia (no green cones) | #15171C | 0.031 |
| Tritanopia (no blue cones) | #001D1C | 0.004 |
| Achromatopsia (no color) | #181818 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #021C1C
#021C1C
oklch(20.6% 0.033 194.9)
- #241113
#241113
oklch(20.6% 0.032 13.5)
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 #021C1C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.034
- Rich Navy #001219 ΔE 0.040
- Almost Black #070D0D ΔE 0.058
- Dark #1B2431 ΔE 0.061
- Jet #212529 ΔE 0.062
- Oxford Blue #1B263B ΔE 0.076
- Dark Forest Green #002D04 ΔE 0.085
- Very Dark Green #062E03 ΔE 0.089
Use #021C1C 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.