#011532
Closest named color: Rich Black (#0D1B2A). oklch(19.9% 0.064 255.9), rgb(1, 21, 50).
Aa
White text reads best on this color (18.18:1).
About this color
#011532 is a very dark, muted blue. In OKLCH its lightness is 20%, its chroma 0.064 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.034 away. White text reads best on it, at 18.18:1.
| Hue family | Blues |
| Lightness | very dark (20%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.15:1 |
| White text | 18.18:1 |
Values
| HEX | #011532 |
| RGB | rgb(1, 21, 50) |
| HSL | hsl(216, 96%, 10%) |
| OKLCH | oklch(19.9% 0.064 255.9) |
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 #011532 | 18.18:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #011532 | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #011532 text on white | 18.18:1 | AAA | Lc 104.6 | Preferred for body text |
| #011532 text on black | 1.15:1 | 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
#E1EBF9
oklch(93.7% 0.022 256.7)
-
Step 200
200
#C7DBF5
oklch(88.5% 0.042 255)
-
Step 300
300
#A1C3F2
oklch(80.9% 0.076 256.6)
-
Step 400
400
#6CA3EB
oklch(70.7% 0.121 255.6)
-
Step 500
500
#428AE5
oklch(63.2% 0.155 255.6)
-
Step 600
600
#1F71D3
oklch(55.5% 0.169 256)
-
Step 700
700
#105EB7
oklch(49% 0.158 256)
-
Step 800
800
#124D94
oklch(42.6% 0.131 256.1)
-
Step 900
900
#174176
oklch(37.7% 0.102 256)
-
Step 950
950 (this color)
#011532
oklch(19.9% 0.064 255.9)
#011532 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) | #051833 | 0.013 |
| Deuteranopia (no green cones) | #001331 | 0.008 |
| Tritanopia (no blue cones) | #001C21 | 0.047 |
| Achromatopsia (no color) | #151515 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #011532
#011532
oklch(19.9% 0.064 255.9)
- #211300
#211300
oklch(20.1% 0.042 75.8)
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 #011532, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.034
- Navy Blue #001146 ΔE 0.041
- Dark Navy #000435 ΔE 0.051
- Rich Navy #001219 ΔE 0.052
- Night Blue #040348 ΔE 0.059
- Very Dark Blue #000133 ΔE 0.062
- Dark Navy Blue #00022E ΔE 0.063
- Midnight #03012D ΔE 0.065
Use #011532 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.