#0B486F
Closest named color: Twilight Blue (#0A437A). oklch(38.6% 0.088 243.5), rgb(11, 72, 111).
Aa
White text reads best on this color (9.67:1).
About this color
#0B486F is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.088 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.027 away. White text reads best on it, at 9.67:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.17:1 |
| White text | 9.67:1 |
Values
| HEX | #0B486F |
| RGB | rgb(11, 72, 111) |
| HSL | hsl(203, 82%, 24%) |
| OKLCH | oklch(38.6% 0.088 243.5) |
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 #0B486F | 9.67:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #0B486F | 2.17:1 | Fails | Lc 11.9 | Not readable |
| #0B486F text on white | 9.67:1 | AAA | Lc 92.0 | Preferred for body text |
| #0B486F text on black | 2.17:1 | Fails | Lc -10.4 | 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 900.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0ECF6
oklch(93.7% 0.019 243)
-
Step 200
200
#C5DDF0
oklch(88.6% 0.037 241.8)
-
Step 300
300
#9CC6E8
oklch(80.8% 0.066 243.1)
-
Step 400
400
#63A8DD
oklch(70.7% 0.105 243.2)
-
Step 500
500
#2E91D4
oklch(63.2% 0.134 243.3)
-
Step 600
600
#007ABC
oklch(55.7% 0.136 243.3)
-
Step 700
700
#00669F
oklch(49.1% 0.12 243.6)
-
Step 800
800
#005383
oklch(42.6% 0.105 243.8)
-
Step 900
900 (this color)
#0B486F
oklch(38.6% 0.088 243.5)
-
Step 950
950
#09293F
oklch(27% 0.055 243)
#0B486F 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) | #354971 | 0.038 |
| Deuteranopia (no green cones) | #28406E | 0.030 |
| Tritanopia (no blue cones) | #005256 | 0.061 |
| Achromatopsia (no color) | #444444 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B486F
#0B486F
oklch(38.6% 0.088 243.5)
- #643800
#643800
oklch(38.7% 0.088 63.7)
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 #0B486F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.027
- Dark Grey Blue #29465B ΔE 0.038
- Light Navy #155084 ΔE 0.041
- Deep Sea Blue #015482 ΔE 0.044
- Charcoal #264653 ΔE 0.049
- Marine Blue #01386A ΔE 0.051
- Cobalt #1E488F ΔE 0.057
- Dusk Blue #26538D ΔE 0.062
Use #0B486F 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.