#153137
Closest named color: Gunmetal (#293241). oklch(29.4% 0.035 213.4), rgb(21, 49, 55).
Aa
White text reads best on this color (13.75:1).
About this color
#153137 is a dark, muted teal or cyan. In OKLCH its lightness is 29%, its chroma 0.035 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.034 away. White text reads best on it, at 13.75:1.
| Hue family | Teals and cyans |
| Lightness | dark (29%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.52:1 |
| White text | 13.75:1 |
Values
| HEX | #153137 |
| RGB | rgb(21, 49, 55) |
| HSL | hsl(191, 45%, 15%) |
| OKLCH | oklch(29.4% 0.035 213.4) |
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 #153137 | 13.75:1 | AAA | Lc -103.3 | Preferred for body text |
| Black text on #153137 | 1.52:1 | Fails | Lc 0.0 | Not readable |
| #153137 text on white | 13.75:1 | AAA | Lc 100.2 | Preferred for body text |
| #153137 text on black | 1.52:1 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C9DDE2
oklch(88.4% 0.022 214.4)
-
Step 300
300
#A2C8D1
oklch(80.8% 0.042 213.7)
-
Step 400
400
#6EACBA
oklch(70.7% 0.067 213.6)
-
Step 500
500
#4197A9
oklch(63.1% 0.086 213.6)
-
Step 600
600
#148194
oklch(55.6% 0.093 213.4)
-
Step 700
700
#006D7E
oklch(49.1% 0.086 213.3)
-
Step 800
800
#095967
oklch(42.8% 0.072 213.7)
-
Step 900
900
#154953
oklch(37.6% 0.056 213)
-
Step 950
950 (this color)
#153137
oklch(29.4% 0.035 213.4)
#153137 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) | #2C2F37 | 0.032 |
| Deuteranopia (no green cones) | #272B37 | 0.030 |
| Tritanopia (no blue cones) | #013333 | 0.019 |
| Achromatopsia (no color) | #2D2D2D | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #153137
#153137
oklch(29.4% 0.035 213.4)
- #3C2621
#3C2621
oklch(29.4% 0.035 33.3)
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 #153137, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.034
- Oxford Blue #1B263B ΔE 0.041
- Space Cadet #2B2D42 ΔE 0.042
- Jet #212529 ΔE 0.043
- Midnight Green #073B4C ΔE 0.043
- Dark #1B2431 ΔE 0.044
- Dark Blue Grey #1F3B4D ΔE 0.049
- Onyx #343A40 ΔE 0.057
Use #153137 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.