#01152E
Closest named color: Rich Black (#0D1B2A). oklch(19.6% 0.058 253.3), rgb(1, 21, 46).
Aa
White text reads best on this color (18.29:1).
About this color
#01152E is a very dark, muted blue. In OKLCH its lightness is 20%, its chroma 0.058 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.031 away. White text reads best on it, at 18.29:1.
| Hue family | Blues |
| Lightness | very dark (20%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.14:1 |
| White text | 18.29:1 |
Values
| HEX | #01152E |
| RGB | rgb(1, 21, 46) |
| HSL | hsl(213, 96%, 9%) |
| OKLCH | oklch(19.6% 0.058 253.3) |
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 #01152E | 18.29:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #01152E | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #01152E text on white | 18.29:1 | AAA | Lc 104.7 | Preferred for body text |
| #01152E text on black | 1.14:1 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C8DBF2
oklch(88.4% 0.038 253.2)
-
Step 300
300
#A2C4EC
oklch(80.9% 0.068 252.7)
-
Step 400
400
#6EA4E3
oklch(70.7% 0.109 253.1)
-
Step 500
500
#458CDB
oklch(63.1% 0.139 253)
-
Step 600
600
#2374C9
oklch(55.6% 0.152 253.4)
-
Step 700
700
#1461AE
oklch(49.1% 0.142 253.3)
-
Step 800
800
#154F8D
oklch(42.6% 0.118 253.7)
-
Step 900
900
#194270
oklch(37.6% 0.091 253.6)
-
Step 950
950 (this color)
#01152E
oklch(19.6% 0.058 253.3)
#01152E 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) | #08172F | 0.014 |
| Deuteranopia (no green cones) | #01132E | 0.007 |
| Tritanopia (no blue cones) | #001B1F | 0.042 |
| Achromatopsia (no color) | #151515 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01152E
#01152E
oklch(19.6% 0.058 253.3)
- #201200
#201200
oklch(19.7% 0.041 74.9)
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 #01152E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.031
- Rich Navy #001219 ΔE 0.044
- Navy Blue #001146 ΔE 0.049
- Dark Navy #000435 ΔE 0.054
- Dark Navy Blue #00022E ΔE 0.063
- Very Dark Blue #000133 ΔE 0.064
- Midnight #03012D ΔE 0.065
- Night Blue #040348 ΔE 0.066
Use #01152E 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.