#152F42
Closest named color: Gunmetal (#293241). oklch(29.4% 0.047 242.4), rgb(21, 47, 66).
Aa
White text reads best on this color (13.84:1).
About this color
#152F42 is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.047 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.030 away. White text reads best on it, at 13.84:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.51:1 |
| White text | 13.84:1 |
Values
| HEX | #152F42 |
| RGB | rgb(21, 47, 66) |
| HSL | hsl(205, 52%, 17%) |
| OKLCH | oklch(29.4% 0.047 242.4) |
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 #152F42 | 13.84:1 | AAA | Lc -103.4 | Preferred for body text |
| Black text on #152F42 | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #152F42 text on white | 13.84:1 | AAA | Lc 100.3 | Preferred for body text |
| #152F42 text on black | 1.51:1 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C8DCEC
oklch(88.4% 0.031 242)
-
Step 300
300
#A2C6E2
oklch(81% 0.055 241.8)
-
Step 400
400
#6DA7D4
oklch(70.6% 0.09 242.9)
-
Step 500
500
#4191C9
oklch(63.2% 0.115 242.3)
-
Step 600
600
#187AB5
oklch(55.6% 0.124 242.2)
-
Step 700
700
#05669C
oklch(49% 0.116 242.7)
-
Step 800
800
#0D547F
oklch(42.8% 0.096 242.4)
-
Step 900
900
#164666
oklch(37.8% 0.075 242)
-
Step 950
950 (this color)
#152F42
oklch(29.4% 0.047 242.4)
#152F42 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) | #272F43 | 0.024 |
| Deuteranopia (no green cones) | #202B42 | 0.018 |
| Tritanopia (no blue cones) | #003436 | 0.036 |
| Achromatopsia (no color) | #2D2D2D | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #152F42
#152F42
oklch(29.4% 0.047 242.4)
- #3D2712
#3D2712
oklch(29.5% 0.047 62.9)
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 #152F42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.030
- Oxford Blue #1B263B ΔE 0.030
- Space Cadet #2B2D42 ΔE 0.031
- Midnight Green #073B4C ΔE 0.040
- Prussian Blue #1D3557 ΔE 0.042
- Dark #1B2431 ΔE 0.042
- Dark Blue Grey #1F3B4D ΔE 0.045
- Jet #212529 ΔE 0.050
Use #152F42 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.