#153B35
Closest named color: Midnight Green (#073B4C). oklch(32.3% 0.045 181.5), rgb(21, 59, 53).
Aa
White text reads best on this color (12.28:1).
About this color
#153B35 is a dark, muted teal or cyan. In OKLCH its lightness is 32%, its chroma 0.045 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.042 away. White text reads best on it, at 12.28:1.
| Hue family | Teals and cyans |
| Lightness | dark (32%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.70:1 |
| White text | 12.28:1 |
Values
| HEX | #153B35 |
| RGB | rgb(21, 59, 53) |
| HSL | hsl(171, 48%, 16%) |
| OKLCH | oklch(32.3% 0.045 181.5) |
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 #153B35 | 12.28:1 | AAA | Lc -101.3 | Preferred for body text |
| Black text on #153B35 | 1.70:1 | Fails | Lc 0.0 | Not readable |
| #153B35 text on white | 12.28:1 | AAA | Lc 97.9 | Preferred for body text |
| #153B35 text on black | 1.70:1 | 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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E0EDEA
oklch(93.6% 0.014 180.7)
-
Step 200
200
#C5E0DA
oklch(88.5% 0.03 180.7)
-
Step 300
300
#9CCCC3
oklch(80.9% 0.052 182.2)
-
Step 400
400
#5FB2A4
oklch(70.7% 0.084 181.6)
-
Step 500
500
#1C9E8E
oklch(63% 0.107 182)
-
Step 600
600
#008677
oklch(55.6% 0.1 181.4)
-
Step 700
700
#007164
oklch(49.2% 0.089 181.2)
-
Step 800
800
#005C52
oklch(42.6% 0.076 182.2)
-
Step 900
900
#004D44
oklch(37.7% 0.068 181.7)
-
Step 950
950 (this color)
#153B35
oklch(32.3% 0.045 181.5)
#153B35 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) | #383735 | 0.047 |
| Deuteranopia (no green cones) | #323336 | 0.045 |
| Tritanopia (no blue cones) | #003C39 | 0.013 |
| Achromatopsia (no color) | #353535 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #153B35
#153B35
oklch(32.3% 0.045 181.5)
- #472A32
#472A32
oklch(32.4% 0.045 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 #153B35, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.042
- Pakistan Green #283618 ΔE 0.045
- Dark Blue Grey #1F3B4D ΔE 0.046
- Onyx #343A40 ΔE 0.047
- Gunmetal #293241 ΔE 0.049
- Evergreen #05472A ΔE 0.052
- Charcoal Grey #3C4142 ΔE 0.062
- Charcoal #264653 ΔE 0.062
Use #153B35 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.