#0B5FA7
Closest named color: Mid Blue (#276AB3). oklch(48.1% 0.136 251.4), rgb(11, 95, 167).
Aa
White text reads best on this color (6.54:1).
About this color
#0B5FA7 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.136 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.040 away. White text reads best on it, at 6.54:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.20:1 |
| White text | 6.54:1 |
Values
| HEX | #0B5FA7 |
| RGB | rgb(11, 95, 167) |
| HSL | hsl(208, 88%, 35%) |
| OKLCH | oklch(48.1% 0.136 251.4) |
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 #0B5FA7 | 6.54:1 | AA | Lc -86.9 | Fine for body text |
| Black text on #0B5FA7 | 3.20:1 | AA large text | Lc 22.2 | Dividers and decoration only |
| #0B5FA7 text on white | 6.54:1 | AA | Lc 81.8 | Fine for body text |
| #0B5FA7 text on black | 3.20:1 | AA large text | Lc -20.0 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C8DBF1
oklch(88.4% 0.037 252.1)
-
Step 300
300
#A2C4EA
oklch(80.9% 0.065 251.5)
-
Step 400
400
#6EA5E0
oklch(70.8% 0.105 251.1)
-
Step 500
500
#448DD8
oklch(63.1% 0.135 251.3)
-
Step 600
600
#2075C5
oklch(55.5% 0.147 251.5)
-
Step 700
700 (this color)
#0B5FA7
oklch(48.1% 0.136 251.4)
-
Step 800
800
#13508A
oklch(42.6% 0.113 251.7)
-
Step 900
900
#18436E
oklch(37.6% 0.088 251.3)
-
Step 950
950
#102841
oklch(27.2% 0.056 251.4)
#0B5FA7 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) | #3A64AA | 0.037 |
| Deuteranopia (no green cones) | #1C57A6 | 0.022 |
| Tritanopia (no blue cones) | #00707B | 0.098 |
| Achromatopsia (no color) | #5D5D5D | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B5FA7
#0B5FA7
oklch(48.1% 0.136 251.4)
- #815200
#815200
oklch(48% 0.103 71.5)
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 #0B5FA7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.040
- Peacock Blue #016795 ΔE 0.041
- Denim Blue #3B5B92 ΔE 0.044
- Dusk Blue #26538D ΔE 0.049
- Light Navy Blue #2E5A88 ΔE 0.051
- Dusky Blue #475F94 ΔE 0.054
- Denim #3B638C ΔE 0.056
- French Blue #436BAD ΔE 0.057
Use #0B5FA7 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.