#0B6FD1
Closest named color: Royal Blue (#4169E1). oklch(54.6% 0.172 254.5), rgb(11, 111, 209).
Aa
White text reads best on this color (4.98:1).
About this color
#0B6FD1 is a medium-dark, vivid blue. In OKLCH its lightness is 55%, its chroma 0.172 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.043 away. White text reads best on it, at 4.98:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.172) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.20:1 |
| White text | 4.98:1 |
Values
| HEX | #0B6FD1 |
| RGB | rgb(11, 111, 209) |
| HSL | hsl(210, 90%, 43%) |
| OKLCH | oklch(54.6% 0.172 254.5) |
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 #0B6FD1 | 4.98:1 | AA | Lc -79.2 | Fine for body text |
| Black text on #0B6FD1 | 4.20:1 | AA large text | Lc 30.3 | Non-text elements, placeholder text |
| #0B6FD1 text on white | 4.98:1 | AA | Lc 73.8 | Content text, not long reading |
| #0B6FD1 text on black | 4.20:1 | AA large text | Lc -27.9 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C6DBF6
oklch(88.4% 0.044 254.8)
-
Step 300
300
#9FC4F2
oklch(81% 0.077 254.1)
-
Step 400
400
#69A3EC
oklch(70.6% 0.124 254.8)
-
Step 500
500
#3C8AE6
oklch(63% 0.158 254.6)
-
Step 600
600 (this color)
#0B6FD1
oklch(54.6% 0.172 254.5)
-
Step 700
700
#005FB7
oklch(49.1% 0.158 254.4)
-
Step 800
800
#084E95
oklch(42.7% 0.133 254.5)
-
Step 900
900
#134277
oklch(37.8% 0.103 254.4)
-
Step 950
950
#0D2745
oklch(27% 0.064 254)
#0B6FD1 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) | #3678D5 | 0.036 |
| Deuteranopia (no green cones) | #0068CF | 0.019 |
| Tritanopia (no blue cones) | #008796 | 0.128 |
| Achromatopsia (no color) | #6F6F6F | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B6FD1
#0B6FD1
oklch(54.6% 0.172 254.5)
- #986500
#986500
oklch(54.8% 0.116 74.5)
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 #0B6FD1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.043
- Cerulean Blue #056EEE ΔE 0.045
- Mid Blue #276AB3 ΔE 0.047
- Windows Blue #3778BF ΔE 0.047
- Azul #1D5DEC ΔE 0.062
- French Blue #436BAD ΔE 0.062
- Nice Blue #107AB0 ΔE 0.065
- Neon Blue #4361EE ΔE 0.065
Use #0B6FD1 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.