#15312F
Closest named color: Jet (#212529). oklch(29.1% 0.034 189.4), rgb(21, 49, 47).
Aa
White text reads best on this color (13.88:1).
About this color
#15312F is a dark, muted teal or cyan. In OKLCH its lightness is 29%, its chroma 0.034 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Jet (#212529), ΔE 0.042 away. White text reads best on it, at 13.88:1.
| Hue family | Teals and cyans |
| Lightness | dark (29%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Jet (#212529) |
| Black text | 1.51:1 |
| White text | 13.88:1 |
Values
| HEX | #15312F |
| RGB | rgb(21, 49, 47) |
| HSL | hsl(176, 40%, 14%) |
| OKLCH | oklch(29.1% 0.034 189.4) |
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 #15312F | 13.88:1 | AAA | Lc -103.5 | Preferred for body text |
| Black text on #15312F | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #15312F text on white | 13.88:1 | AAA | Lc 100.4 | Preferred for body text |
| #15312F text on black | 1.51:1 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#C9DEDC
oklch(88.4% 0.023 189.8)
-
Step 300
300
#A4C9C6
oklch(80.8% 0.04 190.3)
-
Step 400
400
#70AEA9
oklch(70.7% 0.064 189.3)
-
Step 500
500
#449A94
oklch(63.2% 0.083 189.1)
-
Step 600
600
#1A847E
oklch(55.6% 0.09 189)
-
Step 700
700
#05706B
oklch(49.2% 0.084 189.3)
-
Step 800
800
#0E5B57
oklch(42.7% 0.069 189.4)
-
Step 900
900
#174B48
oklch(37.8% 0.054 189.7)
-
Step 950
950 (this color)
#15312F
oklch(29.1% 0.034 189.4)
#15312F 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) | #2E2E2F | 0.036 |
| Deuteranopia (no green cones) | #2A2B2F | 0.034 |
| Tritanopia (no blue cones) | #073230 | 0.011 |
| Achromatopsia (no color) | #2C2C2C | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #15312F
#15312F
oklch(29.1% 0.034 189.4)
- #3B2428
#3B2428
oklch(29.1% 0.036 8.1)
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 #15312F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.042
- Gunmetal #293241 ΔE 0.045
- Dark #1B2431 ΔE 0.048
- Pakistan Green #283618 ΔE 0.051
- Oxford Blue #1B263B ΔE 0.051
- Space Cadet #2B2D42 ΔE 0.053
- Midnight Green #073B4C ΔE 0.054
- Dark Blue Grey #1F3B4D ΔE 0.060
Use #15312F 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.