#153A3A
Closest named color: Midnight Green (#073B4C). oklch(32.2% 0.042 195.3), rgb(21, 58, 58).
Aa
White text reads best on this color (12.36:1).
About this color
#153A3A is a dark, muted teal or cyan. In OKLCH its lightness is 32%, its chroma 0.042 and its hue 195°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.032 away. White text reads best on it, at 12.36:1.
| Hue family | Teals and cyans |
| Lightness | dark (32%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.69:1 |
| White text | 12.36:1 |
Values
| HEX | #153A3A |
| RGB | rgb(21, 58, 58) |
| HSL | hsl(180, 47%, 15%) |
| OKLCH | oklch(32.2% 0.042 195.3) |
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 #153A3A | 12.36:1 | AAA | Lc -101.5 | Preferred for body text |
| Black text on #153A3A | 1.69:1 | Fails | Lc 0.0 | Not readable |
| #153A3A text on white | 12.36:1 | AAA | Lc 98.0 | Preferred for body text |
| #153A3A text on black | 1.69:1 | 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
#E0EDED
oklch(93.6% 0.014 196.9)
-
Step 200
200
#C5DFDF
oklch(88.5% 0.028 196.7)
-
Step 300
300
#9CCBCB
oklch(80.9% 0.049 196.2)
-
Step 400
400
#5FB0B0
oklch(70.6% 0.079 195.5)
-
Step 500
500
#1F9C9D
oklch(63.1% 0.101 195.7)
-
Step 600
600
#008485
oklch(55.6% 0.095 195.7)
-
Step 700
700
#006F70
oklch(49.1% 0.084 195.9)
-
Step 800
800
#005B5B
oklch(42.7% 0.073 194.8)
-
Step 900
900
#004C4C
oklch(37.7% 0.064 194.8)
-
Step 950
950 (this color)
#153A3A
oklch(32.2% 0.042 195.3)
#153A3A 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) | #36373A | 0.044 |
| Deuteranopia (no green cones) | #30333A | 0.040 |
| Tritanopia (no blue cones) | #003C3A | 0.014 |
| Achromatopsia (no color) | #343434 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #153A3A
#153A3A
oklch(32.2% 0.042 195.3)
- #462A2C
#462A2C
oklch(32.1% 0.042 15)
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 #153A3A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.032
- Dark Blue Grey #1F3B4D ΔE 0.037
- Gunmetal #293241 ΔE 0.041
- Onyx #343A40 ΔE 0.042
- Pakistan Green #283618 ΔE 0.053
- Space Cadet #2B2D42 ΔE 0.056
- Charcoal #264653 ΔE 0.058
- Charcoal Grey #3C4142 ΔE 0.060
Use #153A3A 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.