#031D22
Closest named color: Rich Black (#0D1B2A). oklch(21.3% 0.033 212.2), rgb(3, 29, 34).
Aa
White text reads best on this color (17.46:1).
About this color
#031D22 is a very dark, muted teal or cyan. In OKLCH its lightness is 21%, its chroma 0.033 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.024 away. White text reads best on it, at 17.46:1.
| Hue family | Teals and cyans |
| Lightness | very dark (21%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.20:1 |
| White text | 17.46:1 |
Values
| HEX | #031D22 |
| RGB | rgb(3, 29, 34) |
| HSL | hsl(190, 84%, 7%) |
| OKLCH | oklch(21.3% 0.033 212.2) |
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 #031D22 | 17.46:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #031D22 | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #031D22 text on white | 17.46:1 | AAA | Lc 104.2 | Preferred for body text |
| #031D22 text on black | 1.20:1 | 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
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CADDE2
oklch(88.5% 0.022 215.3)
-
Step 300
300
#A4C8D0
oklch(80.9% 0.04 212.7)
-
Step 400
400
#71ACB8
oklch(70.8% 0.064 211.8)
-
Step 500
500
#4796A6
oklch(63% 0.081 212.8)
-
Step 600
600
#208191
oklch(55.7% 0.088 211.4)
-
Step 700
700
#0F6D7C
oklch(49.2% 0.082 211.9)
-
Step 800
800
#135965
oklch(42.8% 0.068 212)
-
Step 900
900
#194952
oklch(37.7% 0.053 212.1)
-
Step 950
950 (this color)
#031D22
oklch(21.3% 0.033 212.2)
#031D22 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) | #191C22 | 0.030 |
| Deuteranopia (no green cones) | #151822 | 0.029 |
| Tritanopia (no blue cones) | #001F1F | 0.012 |
| Achromatopsia (no color) | #1A1A1A | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #031D22
#031D22
oklch(21.3% 0.033 212.2)
- #26130F
#26130F
oklch(21.2% 0.033 32.7)
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 #031D22, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.024
- Rich Navy #001219 ΔE 0.045
- Dark #1B2431 ΔE 0.051
- Jet #212529 ΔE 0.055
- Oxford Blue #1B263B ΔE 0.065
- Almost Black #070D0D ΔE 0.065
- Navy Blue #001146 ΔE 0.085
- Dark Forest Green #002D04 ΔE 0.089
Use #031D22 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.