#152A35
Closest named color: Dark (#1B2431). oklch(27.3% 0.034 232.7), rgb(21, 42, 53).
Aa
White text reads best on this color (14.84:1).
About this color
#152A35 is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.034 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.021 away. White text reads best on it, at 14.84:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.41:1 |
| White text | 14.84:1 |
Values
| HEX | #152A35 |
| RGB | rgb(21, 42, 53) |
| HSL | hsl(201, 43%, 15%) |
| OKLCH | oklch(27.3% 0.034 232.7) |
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 #152A35 | 14.84:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #152A35 | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #152A35 text on white | 14.84:1 | AAA | Lc 101.6 | Preferred for body text |
| #152A35 text on black | 1.41:1 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CBDCE6
oklch(88.5% 0.023 233.4)
-
Step 300
300
#A8C6D7
oklch(81% 0.04 232.8)
-
Step 400
400
#78A8C2
oklch(70.7% 0.064 232.5)
-
Step 500
500
#5392B3
oklch(63.1% 0.082 233)
-
Step 600
600
#347C9F
oklch(55.6% 0.089 232.7)
-
Step 700
700
#266888
oklch(49% 0.083 233.3)
-
Step 800
800
#21556E
oklch(42.6% 0.069 232.5)
-
Step 900
900
#214659
oklch(37.6% 0.053 233)
-
Step 950
950 (this color)
#152A35
oklch(27.3% 0.034 232.7)
#152A35 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) | #252936 | 0.023 |
| Deuteranopia (no green cones) | #202635 | 0.020 |
| Tritanopia (no blue cones) | #042D2E | 0.025 |
| Achromatopsia (no color) | #272727 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #152A35
#152A35
oklch(27.3% 0.034 232.7)
- #342217
#342217
oklch(27.1% 0.034 52.2)
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 #152A35, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.021
- Oxford Blue #1B263B ΔE 0.022
- Jet #212529 ΔE 0.027
- Space Cadet #2B2D42 ΔE 0.043
- Gunmetal #293241 ΔE 0.045
- Rich Black #0D1B2A ΔE 0.056
- Midnight Green #073B4C ΔE 0.062
- Dark Blue Grey #1F3B4D ΔE 0.067
Use #152A35 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.