#151E32
Closest named color: Rich Black (#0D1B2A). oklch(23.7% 0.041 265), rgb(21, 30, 50).
Aa
White text reads best on this color (16.61:1).
About this color
#151E32 is a very dark, muted blue. In OKLCH its lightness is 24%, its chroma 0.041 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.022 away. White text reads best on it, at 16.61:1.
| Hue family | Blues |
| Lightness | very dark (24%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.26:1 |
| White text | 16.61:1 |
Values
| HEX | #151E32 |
| RGB | rgb(21, 30, 50) |
| HSL | hsl(221, 41%, 14%) |
| OKLCH | oklch(23.7% 0.041 265) |
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 #151E32 | 16.61:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #151E32 | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #151E32 text on white | 16.61:1 | AAA | Lc 103.5 | Preferred for body text |
| #151E32 text on black | 1.26:1 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D0D9EC
oklch(88.4% 0.028 265.4)
-
Step 300
300
#B1C1E1
oklch(80.9% 0.049 264.3)
-
Step 400
400
#89A0D2
oklch(70.7% 0.078 265.3)
-
Step 500
500
#6C88C6
oklch(63.1% 0.099 265.1)
-
Step 600
600
#5471B2
oklch(55.6% 0.107 264.9)
-
Step 700
700
#445E99
oklch(49% 0.1 265)
-
Step 800
800
#384D7C
oklch(42.6% 0.083 264.9)
-
Step 900
900
#314164
oklch(37.8% 0.064 264.8)
-
Step 950
950 (this color)
#151E32
oklch(23.7% 0.041 265)
#151E32 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) | #162033 | 0.007 |
| Deuteranopia (no green cones) | #131D32 | 0.005 |
| Tritanopia (no blue cones) | #092225 | 0.037 |
| Achromatopsia (no color) | #1E1E1E | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #151E32
#151E32
oklch(23.7% 0.041 265)
- #271D05
#271D05
oklch(23.7% 0.041 86.5)
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 #151E32, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.022
- Dark #1B2431 ΔE 0.025
- Oxford Blue #1B263B ΔE 0.032
- Jet #212529 ΔE 0.040
- Navy Blue #001146 ΔE 0.067
- Space Cadet #2B2D42 ΔE 0.069
- Rich Navy #001219 ΔE 0.074
- Gunmetal #293241 ΔE 0.079
Use #151E32 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.