#153E45
Closest named color: Midnight Green (#073B4C). oklch(33.8% 0.047 210.6), rgb(21, 62, 69).
Aa
White text reads best on this color (11.62:1).
About this color
#153E45 is a dark, muted teal or cyan. In OKLCH its lightness is 34%, its chroma 0.047 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.021 away. White text reads best on it, at 11.62:1.
| Hue family | Teals and cyans |
| Lightness | dark (34%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.80:1 |
| White text | 11.62:1 |
Values
| HEX | #153E45 |
| RGB | rgb(21, 62, 69) |
| HSL | hsl(189, 53%, 18%) |
| OKLCH | oklch(33.8% 0.047 210.6) |
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 #153E45 | 11.62:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #153E45 | 1.80:1 | Fails | Lc 7.3 | Not readable |
| #153E45 text on white | 11.62:1 | AAA | Lc 96.5 | Preferred for body text |
| #153E45 text on black | 1.80:1 | 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
#CBDDE0
oklch(88.5% 0.02 208.8)
-
Step 300
300
#A8C7CD
oklch(80.9% 0.034 210.7)
-
Step 400
400
#77ABB4
oklch(70.8% 0.056 209.4)
-
Step 500
500
#5195A2
oklch(63% 0.072 211.4)
-
Step 600
600
#32808D
oklch(55.7% 0.078 210.3)
-
Step 700
700
#236C78
oklch(49.2% 0.072 210.5)
-
Step 800
800
#1F5861
oklch(42.7% 0.06 209.6)
-
Step 900
900 (this color)
#153E45
oklch(33.8% 0.047 210.6)
-
Step 950
950
#142A2E
oklch(26.9% 0.029 210.5)
#153E45 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) | #383C45 | 0.043 |
| Deuteranopia (no green cones) | #313645 | 0.041 |
| Tritanopia (no blue cones) | #004140 | 0.020 |
| Achromatopsia (no color) | #393939 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #153E45
#153E45
oklch(33.8% 0.047 210.6)
- #4D2E29
#4D2E29
oklch(33.8% 0.047 29.7)
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 #153E45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.021
- Dark Blue Grey #1F3B4D ΔE 0.022
- Onyx #343A40 ΔE 0.038
- Charcoal #264653 ΔE 0.039
- Gunmetal #293241 ΔE 0.042
- Dark Teal #014D4E ΔE 0.048
- Dark Grey Blue #29465B ΔE 0.050
- Prussian Blue #1D3557 ΔE 0.051
Use #153E45 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.