#152134
Closest named color: Dark (#1B2431). oklch(24.7% 0.04 259.3), rgb(21, 33, 52).
Aa
White text reads best on this color (16.16:1).
About this color
#152134 is a very dark, muted blue. In OKLCH its lightness is 25%, its chroma 0.040 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.017 away. White text reads best on it, at 16.16:1.
| Hue family | Blues |
| Lightness | very dark (25%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.29:1 |
| White text | 16.16:1 |
Values
| HEX | #152134 |
| RGB | rgb(21, 33, 52) |
| HSL | hsl(217, 42%, 14%) |
| OKLCH | oklch(24.7% 0.04 259.3) |
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 #152134 | 16.16:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #152134 | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #152134 text on white | 16.16:1 | AAA | Lc 103.1 | Preferred for body text |
| #152134 text on black | 1.29:1 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF3
oklch(93.5% 0.014 258.3)
-
Step 200
200
#CFDAEB
oklch(88.5% 0.026 259)
-
Step 300
300
#AFC2E0
oklch(80.9% 0.047 259.5)
-
Step 400
400
#84A2D1
oklch(70.7% 0.077 259.2)
-
Step 500
500
#658AC4
oklch(63% 0.097 259.1)
-
Step 600
600
#4D73B1
oklch(55.6% 0.106 259.8)
-
Step 700
700
#3E6198
oklch(49.2% 0.098 259.1)
-
Step 800
800
#334F7B
oklch(42.7% 0.081 259.1)
-
Step 900
900
#2D4263
oklch(37.7% 0.063 259.2)
-
Step 950
950 (this color)
#152134
oklch(24.7% 0.04 259.3)
#152134 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) | #1A2235 | 0.009 |
| Deuteranopia (no green cones) | #161F34 | 0.007 |
| Tritanopia (no blue cones) | #072528 | 0.035 |
| Achromatopsia (no color) | #212121 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #152134
#152134
oklch(24.7% 0.04 259.3)
- #2B1E08
#2B1E08
oklch(24.6% 0.04 78.2)
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 #152134, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.017
- Oxford Blue #1B263B ΔE 0.023
- Rich Black #0D1B2A ΔE 0.030
- Jet #212529 ΔE 0.035
- Space Cadet #2B2D42 ΔE 0.060
- Gunmetal #293241 ΔE 0.069
- Navy Blue #001146 ΔE 0.072
- Rich Navy #001219 ΔE 0.081
Use #152134 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.