#0B5CD2
Closest named color: Azul (#1D5DEC). oklch(50.7% 0.196 259.8), rgb(11, 92, 210).
Aa
White text reads best on this color (6.04:1).
About this color
#0B5CD2 is a medium-dark, vivid blue. In OKLCH its lightness is 51%, its chroma 0.196 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Azul (#1D5DEC), ΔE 0.041 away. White text reads best on it, at 6.04:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.196) |
| Temperature | cool |
| Nearest name | Azul (#1D5DEC) |
| Black text | 3.47:1 |
| White text | 6.04:1 |
Values
| HEX | #0B5CD2 |
| RGB | rgb(11, 92, 210) |
| HSL | hsl(216, 90%, 43%) |
| OKLCH | oklch(50.7% 0.196 259.8) |
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 #0B5CD2 | 6.04:1 | AA | Lc -84.6 | Fine for body text |
| Black text on #0B5CD2 | 3.47:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #0B5CD2 text on white | 6.04:1 | AA | Lc 79.4 | Fine for body text |
| #0B5CD2 text on black | 3.47:1 | AA large text | Lc -22.5 | 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 700.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#DFEBFD
oklch(93.6% 0.028 258.4)
-
Step 200
200
#C5DAFD
oklch(88.4% 0.054 260.6)
-
Step 300
300
#9DC2FE
oklch(80.9% 0.094 259.9)
-
Step 400
400
#66A0FE
oklch(70.8% 0.151 259.6)
-
Step 500
500
#3A84FC
oklch(63.1% 0.194 259.7)
-
Step 600
600
#136AEB
oklch(55.6% 0.21 259.7)
-
Step 700
700 (this color)
#0B5CD2
oklch(50.7% 0.196 259.8)
-
Step 800
800
#0948A5
oklch(42.7% 0.162 259.7)
-
Step 900
900
#123E83
oklch(37.8% 0.126 259.5)
-
Step 950
950
#0C254D
oklch(27.1% 0.08 259.5)
#0B5CD2 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) | #006BD6 | 0.038 |
| Deuteranopia (no green cones) | #005BD0 | 0.005 |
| Tritanopia (no blue cones) | #007A8E | 0.148 |
| Achromatopsia (no color) | #636363 | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B5CD2
#0B5CD2
oklch(50.7% 0.196 259.8)
- #845D00
#845D00
oklch(50.6% 0.105 80.1)
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 #0B5CD2, closest first.
No curated palette has a color within ΔE 0.04 of #0B5CD2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Azul #1D5DEC ΔE 0.041
- Warm Blue #4B57DB ΔE 0.051
- Royal Blue #4169E1 ΔE 0.058
- Blue Blue #2242C7 ΔE 0.061
- Cerulean Blue #056EEE ΔE 0.061
- Neon Blue #4361EE ΔE 0.062
- Mid Blue #276AB3 ΔE 0.066
- Bright Blue #0165FC ΔE 0.068
Use #0B5CD2 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.