#102E31
Closest named color: Jet (#212529). oklch(28% 0.036 204.2), rgb(16, 46, 49).
Aa
White text reads best on this color (14.41:1).
About this color
#102E31 is a dark, muted teal or cyan. In OKLCH its lightness is 28%, its chroma 0.036 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Jet (#212529), ΔE 0.035 away. White text reads best on it, at 14.41:1.
| Hue family | Teals and cyans |
| Lightness | dark (28%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Jet (#212529) |
| Black text | 1.45:1 |
| White text | 14.41:1 |
Values
| HEX | #102E31 |
| RGB | rgb(16, 46, 49) |
| HSL | hsl(185, 51%, 13%) |
| OKLCH | oklch(28% 0.036 204.2) |
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 #102E31 | 14.41:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #102E31 | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #102E31 text on white | 14.41:1 | AAA | Lc 101.1 | Preferred for body text |
| #102E31 text on black | 1.45:1 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C8DEE0
oklch(88.5% 0.024 203.4)
-
Step 300
300
#A1C9CD
oklch(80.8% 0.043 203.9)
-
Step 400
400
#6BADB4
oklch(70.6% 0.068 204.4)
-
Step 500
500
#3C99A2
oklch(63.2% 0.087 204.1)
-
Step 600
600
#03838D
oklch(55.6% 0.094 204.3)
-
Step 700
700
#006E77
oklch(49.1% 0.084 204.7)
-
Step 800
800
#015A61
oklch(42.6% 0.072 204)
-
Step 900
900
#124A4F
oklch(37.6% 0.056 203.8)
-
Step 950
950 (this color)
#102E31
oklch(28% 0.036 204.2)
#102E31 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) | #2A2C31 | 0.035 |
| Deuteranopia (no green cones) | #252831 | 0.033 |
| Tritanopia (no blue cones) | #00302F | 0.015 |
| Achromatopsia (no color) | #2A2A2A | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #102E31
#102E31
oklch(28% 0.036 204.2)
- #392220
#392220
oklch(28.1% 0.036 25)
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 #102E31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.035
- Dark #1B2431 ΔE 0.037
- Oxford Blue #1B263B ΔE 0.040
- Gunmetal #293241 ΔE 0.047
- Space Cadet #2B2D42 ΔE 0.052
- Midnight Green #073B4C ΔE 0.057
- Pakistan Green #283618 ΔE 0.064
- Dark Blue Grey #1F3B4D ΔE 0.064
Use #102E31 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.