#021A1B
Closest named color: Rich Navy (#001219). oklch(19.9% 0.031 198.6), rgb(2, 26, 27).
Aa
White text reads best on this color (18.00:1).
About this color
#021A1B is a very dark, muted teal or cyan. In OKLCH its lightness is 20%, its chroma 0.031 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.033 away. White text reads best on it, at 18.00:1.
| Hue family | Teals and cyans |
| Lightness | very dark (20%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.16:1 |
| White text | 18.00:1 |
Values
| HEX | #021A1B |
| RGB | rgb(2, 26, 27) |
| HSL | hsl(182, 86%, 6%) |
| OKLCH | oklch(19.9% 0.031 198.6) |
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 #021A1B | 18.00:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #021A1B | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #021A1B text on white | 18.00:1 | AAA | Lc 104.6 | Preferred for body text |
| #021A1B 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
#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
#A6C8C9
oklch(80.8% 0.036 198.7)
-
Step 400
400
#74ACAE
oklch(70.6% 0.059 198.7)
-
Step 500
500
#4C979A
oklch(63% 0.075 198.9)
-
Step 600
600
#298285
oklch(55.7% 0.082 198.3)
-
Step 700
700
#196E71
oklch(49.2% 0.076 198.6)
-
Step 800
800
#19595C
oklch(42.6% 0.063 199.6)
-
Step 900
900
#1C4A4B
oklch(37.8% 0.05 197.2)
-
Step 950
950 (this color)
#021A1B
oklch(19.9% 0.031 198.6)
#021A1B 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) | #17181B | 0.031 |
| Deuteranopia (no green cones) | #13151B | 0.030 |
| Tritanopia (no blue cones) | #001B1A | 0.006 |
| Achromatopsia (no color) | #171717 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #021A1B
#021A1B
oklch(19.9% 0.031 198.6)
- #221010
#221010
oklch(19.9% 0.031 20.1)
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 #021A1B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.033
- Rich Black #0D1B2A ΔE 0.035
- Almost Black #070D0D ΔE 0.051
- Dark #1B2431 ΔE 0.066
- Jet #212529 ΔE 0.068
- Oxford Blue #1B263B ΔE 0.081
- Dark Forest Green #002D04 ΔE 0.091
- Navy Blue #001146 ΔE 0.094
Use #021A1B 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.