#00312E
Closest named color: Jet (#212529). oklch(28.2% 0.049 188.3), rgb(0, 49, 46).
Aa
White text reads best on this color (14.20:1).
About this color
#00312E is a dark, muted teal or cyan. In OKLCH its lightness is 28%, its chroma 0.049 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Jet (#212529), ΔE 0.049 away. White text reads best on it, at 14.20:1.
| Hue family | Teals and cyans |
| Lightness | dark (28%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Jet (#212529) |
| Black text | 1.47:1 |
| White text | 14.20:1 |
Values
| HEX | #00312E |
| RGB | rgb(0, 49, 46) |
| HSL | hsl(176, 100%, 10%) |
| OKLCH | oklch(28.2% 0.049 188.3) |
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 #00312E | 14.20:1 | AAA | Lc -103.6 | Preferred for body text |
| Black text on #00312E | 1.47:1 | Fails | Lc 0.0 | Not readable |
| #00312E text on white | 14.20:1 | AAA | Lc 100.6 | Preferred for body text |
| #00312E text on black | 1.47:1 | 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
#F0F7F6
oklch(97.1% 0.008 186.9)
-
Step 100
100
#DEEEEC
oklch(93.7% 0.017 187.9)
-
Step 200
200
#C2E0DD
oklch(88.4% 0.032 189.2)
-
Step 300
300
#96CDC8
oklch(80.9% 0.057 189.1)
-
Step 400
400
#51B3AC
oklch(70.6% 0.092 189)
-
Step 500
500
#009E96
oklch(63% 0.109 188.5)
-
Step 600
600
#00857E
oklch(55.6% 0.097 188.3)
-
Step 700
700
#00706A
oklch(49.1% 0.085 188.3)
-
Step 800
800
#005C57
oklch(42.8% 0.074 188.4)
-
Step 900
900
#004C48
oklch(37.6% 0.065 188.7)
-
Step 950
950 (this color)
#00312E
oklch(28.2% 0.049 188.3)
#00312E 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) | #2D2E2E | 0.051 |
| Deuteranopia (no green cones) | #27292E | 0.048 |
| Tritanopia (no blue cones) | #003330 | 0.007 |
| Achromatopsia (no color) | #2B2B2B | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00312E
#00312E
oklch(28.2% 0.049 188.3)
- #3E1F25
#3E1F25
oklch(28.4% 0.049 8.2)
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 #00312E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.049
- Dark #1B2431 ΔE 0.053
- Oxford Blue #1B263B ΔE 0.057
- Pakistan Green #283618 ΔE 0.058
- Midnight Green #073B4C ΔE 0.059
- Gunmetal #293241 ΔE 0.059
- Very Dark Green #062E03 ΔE 0.063
- Dark Forest Green #002D04 ΔE 0.064
Use #00312E 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.