#06182E
Closest named color: Rich Black (#0D1B2A). oklch(20.8% 0.05 254.4), rgb(6, 24, 46).
Aa
White text reads best on this color (17.82:1).
About this color
#06182E is a very dark, muted blue. In OKLCH its lightness is 21%, its chroma 0.050 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.018 away. White text reads best on it, at 17.82:1.
| Hue family | Blues |
| Lightness | very dark (21%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.17:1 |
| White text | 17.82:1 |
Values
| HEX | #06182E |
| RGB | rgb(6, 24, 46) |
| HSL | hsl(213, 77%, 10%) |
| OKLCH | oklch(20.8% 0.05 254.4) |
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 #06182E | 17.82:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #06182E | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #06182E text on white | 17.82:1 | AAA | Lc 104.5 | Preferred for body text |
| #06182E text on black | 1.17:1 | 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
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CBDBEF
oklch(88.6% 0.033 254)
-
Step 300
300
#A7C3E7
oklch(80.9% 0.06 254.8)
-
Step 400
400
#77A4DB
oklch(70.8% 0.095 253.9)
-
Step 500
500
#538CD1
oklch(63.2% 0.121 254.2)
-
Step 600
600
#3674BE
oklch(55.5% 0.132 254.5)
-
Step 700
700
#2861A4
oklch(49% 0.123 254.5)
-
Step 800
800
#235085
oklch(42.8% 0.101 254.3)
-
Step 900
900
#22436B
oklch(37.9% 0.079 254.4)
-
Step 950
950 (this color)
#06182E
oklch(20.8% 0.05 254.4)
#06182E 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) | #0E1A2F | 0.014 |
| Deuteranopia (no green cones) | #08162E | 0.007 |
| Tritanopia (no blue cones) | #001D20 | 0.039 |
| Achromatopsia (no color) | #181818 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #06182E
#06182E
oklch(20.8% 0.05 254.4)
- #231400
#231400
oklch(20.7% 0.044 74.7)
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 #06182E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.018
- Rich Navy #001219 ΔE 0.048
- Navy Blue #001146 ΔE 0.053
- Dark #1B2431 ΔE 0.055
- Oxford Blue #1B263B ΔE 0.062
- Dark Navy #000435 ΔE 0.067
- Jet #212529 ΔE 0.068
- Almost Black #070D0D ΔE 0.072
Use #06182E 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.