#031C26
Closest named color: Rich Black (#0D1B2A). oklch(21.2% 0.037 227.5), rgb(3, 28, 38).
Aa
White text reads best on this color (17.52:1).
About this color
#031C26 is a very dark, muted teal or cyan. In OKLCH its lightness is 21%, its chroma 0.037 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.016 away. White text reads best on it, at 17.52:1.
| Hue family | Teals and cyans |
| Lightness | very dark (21%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.19:1 |
| White text | 17.52:1 |
Values
| HEX | #031C26 |
| RGB | rgb(3, 28, 38) |
| HSL | hsl(197, 85%, 8%) |
| OKLCH | oklch(21.2% 0.037 227.5) |
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 #031C26 | 17.52:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #031C26 | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #031C26 text on white | 17.52:1 | AAA | Lc 104.2 | Preferred for body text |
| #031C26 text on black | 1.19:1 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#C9DDE6
oklch(88.5% 0.025 226.5)
-
Step 300
300
#A4C7D7
oklch(80.9% 0.044 227.3)
-
Step 400
400
#71AAC3
oklch(70.8% 0.07 227.4)
-
Step 500
500
#4794B4
oklch(63.1% 0.09 227.9)
-
Step 600
600
#227E9F
oklch(55.6% 0.096 227.1)
-
Step 700
700
#116A88
oklch(49% 0.09 227.3)
-
Step 800
800
#14576F
oklch(42.8% 0.075 227.2)
-
Step 900
900
#19485A
oklch(37.8% 0.059 226.9)
-
Step 950
950 (this color)
#031C26
oklch(21.2% 0.037 227.5)
#031C26 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) | #171B26 | 0.027 |
| Deuteranopia (no green cones) | #121826 | 0.023 |
| Tritanopia (no blue cones) | #001F1F | 0.021 |
| Achromatopsia (no color) | #191919 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #031C26
#031C26
oklch(21.2% 0.037 227.5)
- #271309
#271309
oklch(21.3% 0.038 46.6)
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 #031C26, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.016
- Rich Navy #001219 ΔE 0.044
- Dark #1B2431 ΔE 0.049
- Jet #212529 ΔE 0.057
- Oxford Blue #1B263B ΔE 0.062
- Almost Black #070D0D ΔE 0.067
- Navy Blue #001146 ΔE 0.075
- Dark Navy #000435 ΔE 0.087
Use #031C26 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.