#0B426D
Closest named color: Twilight Blue (#0A437A). oklch(36.9% 0.091 248), rgb(11, 66, 109).
Aa
White text reads best on this color (10.42:1).
About this color
#0B426D is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.091 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.022 away. White text reads best on it, at 10.42:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.01:1 |
| White text | 10.42:1 |
Values
| HEX | #0B426D |
| RGB | rgb(11, 66, 109) |
| HSL | hsl(206, 82%, 24%) |
| OKLCH | oklch(36.9% 0.091 248) |
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 #0B426D | 10.42:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #0B426D | 2.01:1 | Fails | Lc 10.1 | Not readable |
| #0B426D text on white | 10.42:1 | AAA | Lc 93.8 | Preferred for body text |
| #0B426D text on black | 2.01:1 | Fails | Lc -8.7 | 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
#E0EBF7
oklch(93.5% 0.02 250.4)
-
Step 200
200
#C6DCF2
oklch(88.5% 0.038 248.3)
-
Step 300
300
#9EC5EB
oklch(80.8% 0.068 248)
-
Step 400
400
#66A6E2
oklch(70.7% 0.11 248.2)
-
Step 500
500
#368ED9
oklch(63% 0.14 248.1)
-
Step 600
600
#0077C5
oklch(55.6% 0.149 247.9)
-
Step 700
700
#0064A7
oklch(49.1% 0.132 247.9)
-
Step 800
800
#00528A
oklch(42.8% 0.115 247.8)
-
Step 900
900 (this color)
#0B426D
oklch(36.9% 0.091 248)
-
Step 950
950
#0B2841
oklch(26.9% 0.058 248)
#0B426D 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) | #2D446F | 0.032 |
| Deuteranopia (no green cones) | #1E3C6C | 0.020 |
| Tritanopia (no blue cones) | #004C52 | 0.064 |
| Achromatopsia (no color) | #404040 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B426D
#0B426D
oklch(36.9% 0.091 248)
- #5B3600
#5B3600
oklch(37% 0.081 68.2)
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 #0B426D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.022
- Marine Blue #01386A ΔE 0.033
- Dark Grey Blue #29465B ΔE 0.044
- Prussian Blue #1D3557 ΔE 0.050
- Charcoal #264653 ΔE 0.054
- Light Navy #155084 ΔE 0.055
- Dark Blue Grey #1F3B4D ΔE 0.055
- Midnight Green #073B4C ΔE 0.059
Use #0B426D 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.