#153E47
Closest named color: Midnight Green (#073B4C). oklch(33.9% 0.048 214.7), rgb(21, 62, 71).
Aa
White text reads best on this color (11.58:1).
About this color
#153E47 is a dark, muted teal or cyan. In OKLCH its lightness is 34%, its chroma 0.048 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.018 away. White text reads best on it, at 11.58:1.
| Hue family | Teals and cyans |
| Lightness | dark (34%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.81:1 |
| White text | 11.58:1 |
Values
| HEX | #153E47 |
| RGB | rgb(21, 62, 71) |
| HSL | hsl(191, 54%, 18%) |
| OKLCH | oklch(33.9% 0.048 214.7) |
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 #153E47 | 11.58:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #153E47 | 1.81:1 | Fails | Lc 7.4 | Not readable |
| #153E47 text on white | 11.58:1 | AAA | Lc 96.5 | Preferred for body text |
| #153E47 text on black | 1.81:1 | 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 900.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECEE
oklch(93.7% 0.01 212.5)
-
Step 200
200
#CBDDE1
oklch(88.5% 0.02 212.6)
-
Step 300
300
#A7C7CF
oklch(80.9% 0.036 214.5)
-
Step 400
400
#77AAB7
oklch(70.7% 0.057 215.4)
-
Step 500
500
#5195A5
oklch(63.1% 0.073 214.8)
-
Step 600
600
#317F90
oklch(55.6% 0.079 214.7)
-
Step 700
700
#226B7B
oklch(49.1% 0.074 215.4)
-
Step 800
800
#1F5764
oklch(42.6% 0.061 215.9)
-
Step 900
900 (this color)
#153E47
oklch(33.9% 0.048 214.7)
-
Step 950
950
#142A30
oklch(27% 0.03 217.4)
#153E47 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) | #383C48 | 0.044 |
| Deuteranopia (no green cones) | #303647 | 0.039 |
| Tritanopia (no blue cones) | #004141 | 0.021 |
| Achromatopsia (no color) | #393939 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #153E47
#153E47
oklch(33.9% 0.048 214.7)
- #4D2F27
#4D2F27
oklch(34% 0.047 35.6)
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 #153E47, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.018
- Dark Blue Grey #1F3B4D ΔE 0.019
- Charcoal #264653 ΔE 0.037
- Onyx #343A40 ΔE 0.038
- Gunmetal #293241 ΔE 0.042
- Dark Grey Blue #29465B ΔE 0.047
- Prussian Blue #1D3557 ΔE 0.047
- Dark Teal #014D4E ΔE 0.048
Use #153E47 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.