#0B6ED9
Closest named color: Cerulean Blue (#056EEE). oklch(55% 0.183 256.1), rgb(11, 110, 217).
Aa
White text reads best on this color (4.94:1).
About this color
#0B6ED9 is a medium-dark, vivid blue. In OKLCH its lightness is 55%, its chroma 0.183 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean Blue (#056EEE), ΔE 0.032 away. White text reads best on it, at 4.94:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.183) |
| Temperature | cool |
| Nearest name | Cerulean Blue (#056EEE) |
| Black text | 4.24:1 |
| White text | 4.94:1 |
Values
| HEX | #0B6ED9 |
| RGB | rgb(11, 110, 217) |
| HSL | hsl(211, 90%, 45%) |
| OKLCH | oklch(55% 0.183 256.1) |
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 #0B6ED9 | 4.94:1 | AA | Lc -78.9 | Fine for body text |
| Black text on #0B6ED9 | 4.24:1 | AA large text | Lc 30.6 | Non-text elements, placeholder text |
| #0B6ED9 text on white | 4.94:1 | AA | Lc 73.5 | Content text, not long reading |
| #0B6ED9 text on black | 4.24:1 | AA large text | Lc -28.2 | Dividers and decoration only |
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 600.
-
Step 50
50
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFA
oklch(93.6% 0.024 256.1)
-
Step 200
200
#C6DBF8
oklch(88.5% 0.046 256.5)
-
Step 300
300
#9EC3F6
oklch(80.9% 0.083 256.5)
-
Step 400
400
#67A2F1
oklch(70.6% 0.132 256.1)
-
Step 500
500
#3B89ED
oklch(63.2% 0.169 256.1)
-
Step 600
600 (this color)
#0B6ED9
oklch(55% 0.183 256.1)
-
Step 700
700
#005DBD
oklch(49.1% 0.169 256.1)
-
Step 800
800
#074C9A
oklch(42.6% 0.142 256.4)
-
Step 900
900
#12417A
oklch(37.8% 0.109 255.8)
-
Step 950
950
#0C2648
oklch(26.9% 0.071 256.4)
#0B6ED9 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) | #2979DD | 0.034 |
| Deuteranopia (no green cones) | #0068D7 | 0.017 |
| Tritanopia (no blue cones) | #008899 | 0.137 |
| Achromatopsia (no color) | #707070 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B6ED9
#0B6ED9
oklch(55% 0.183 256.1)
- #976700
#976700
oklch(55% 0.115 76.8)
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 #0B6ED9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean Blue #056EEE ΔE 0.032
- Royal Blue #4169E1 ΔE 0.035
- Azul #1D5DEC ΔE 0.051
- Neon Blue #4361EE ΔE 0.055
- Windows Blue #3778BF ΔE 0.057
- Bright Blue #0165FC ΔE 0.058
- Mid Blue #276AB3 ΔE 0.059
- Clear Blue #247AFD ΔE 0.063
Use #0B6ED9 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.