#06212E
Closest named color: Rich Black (#0D1B2A). oklch(23.4% 0.041 233), rgb(6, 33, 46).
Aa
White text reads best on this color (16.60:1).
About this color
#06212E is a very dark, muted blue. In OKLCH its lightness is 23%, its chroma 0.041 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.021 away. White text reads best on it, at 16.60:1.
| Hue family | Blues |
| Lightness | very dark (23%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.26:1 |
| White text | 16.60:1 |
Values
| HEX | #06212E |
| RGB | rgb(6, 33, 46) |
| HSL | hsl(200, 77%, 10%) |
| OKLCH | oklch(23.4% 0.041 233) |
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 #06212E | 16.60:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #06212E | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #06212E text on white | 16.60:1 | AAA | Lc 103.4 | Preferred for body text |
| #06212E 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C9DDE8
oklch(88.6% 0.026 231.7)
-
Step 300
300
#A2C7DB
oklch(80.9% 0.049 231.7)
-
Step 400
400
#6EA9C9
oklch(70.6% 0.077 233.1)
-
Step 500
500
#4293BB
oklch(63% 0.099 232.9)
-
Step 600
600
#197DA8
oklch(55.6% 0.108 233.2)
-
Step 700
700
#056990
oklch(49% 0.1 233.3)
-
Step 800
800
#0E5675
oklch(42.7% 0.083 233.2)
-
Step 900
900
#17475E
oklch(37.7% 0.064 233.1)
-
Step 950
950 (this color)
#06212E
oklch(23.4% 0.041 233)
#06212E 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) | #1B212F | 0.027 |
| Deuteranopia (no green cones) | #151D2E | 0.022 |
| Tritanopia (no blue cones) | #002425 | 0.025 |
| Achromatopsia (no color) | #1E1E1E | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #06212E
#06212E
oklch(23.4% 0.041 233)
- #2D180A
#2D180A
oklch(23.4% 0.041 53)
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 #06212E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.021
- Dark #1B2431 ΔE 0.030
- Oxford Blue #1B263B ΔE 0.041
- Jet #212529 ΔE 0.042
- Rich Navy #001219 ΔE 0.066
- Navy Blue #001146 ΔE 0.074
- Space Cadet #2B2D42 ΔE 0.077
- Gunmetal #293241 ΔE 0.083
Use #06212E 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.