#06152B
Closest named color: Rich Black (#0D1B2A). oklch(19.7% 0.049 257.4), rgb(6, 21, 43).
Aa
White text reads best on this color (18.26:1).
About this color
#06152B is a very dark, muted blue. In OKLCH its lightness is 20%, its chroma 0.049 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.026 away. White text reads best on it, at 18.26:1.
| Hue family | Blues |
| Lightness | very dark (20%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.14:1 |
| White text | 18.26:1 |
Values
| HEX | #06152B |
| RGB | rgb(6, 21, 43) |
| HSL | hsl(216, 76%, 10%) |
| OKLCH | oklch(19.7% 0.049 257.4) |
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 #06152B | 18.26:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #06152B | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #06152B text on white | 18.26:1 | AAA | Lc 104.8 | Preferred for body text |
| #06152B 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF5
oklch(93.5% 0.017 259.4)
-
Step 200
200
#CCDAEF
oklch(88.4% 0.033 258.4)
-
Step 300
300
#A9C2E7
oklch(80.8% 0.059 258.1)
-
Step 400
400
#7BA2DB
oklch(70.6% 0.094 257.8)
-
Step 500
500
#598AD1
oklch(63% 0.12 257.6)
-
Step 600
600
#3E73BE
oklch(55.6% 0.13 257.4)
-
Step 700
700
#3060A4
oklch(49.1% 0.121 257.5)
-
Step 800
800
#294F85
oklch(42.8% 0.1 257.4)
-
Step 900
900
#25426A
oklch(37.7% 0.077 256.8)
-
Step 950
950 (this color)
#06152B
oklch(19.7% 0.049 257.4)
#06152B 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) | #0B172C | 0.011 |
| Deuteranopia (no green cones) | #05132B | 0.008 |
| Tritanopia (no blue cones) | #001A1D | 0.039 |
| Achromatopsia (no color) | #151515 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #06152B
#06152B
oklch(19.7% 0.049 257.4)
- #1F1200
#1F1200
oklch(19.5% 0.041 77.1)
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 #06152B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.026
- Rich Navy #001219 ΔE 0.040
- Navy Blue #001146 ΔE 0.055
- Dark Navy #000435 ΔE 0.060
- Almost Black #070D0D ΔE 0.063
- Dark #1B2431 ΔE 0.065
- Dark Navy Blue #00022E ΔE 0.068
- Midnight #03012D ΔE 0.068
Use #06152B 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.