#0B5F99
Closest named color: Peacock Blue (#016795). oklch(47.1% 0.118 246.6), rgb(11, 95, 153).
Aa
White text reads best on this color (6.75:1).
About this color
#0B5F99 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.118 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.026 away. White text reads best on it, at 6.75:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.11:1 |
| White text | 6.75:1 |
Values
| HEX | #0B5F99 |
| RGB | rgb(11, 95, 153) |
| HSL | hsl(205, 87%, 32%) |
| OKLCH | oklch(47.1% 0.118 246.6) |
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 #0B5F99 | 6.75:1 | AA | Lc -87.8 | Fine for body text |
| Black text on #0B5F99 | 3.11:1 | AA large text | Lc 21.3 | Dividers and decoration only |
| #0B5F99 text on white | 6.75:1 | AA | Lc 82.7 | Fine for body text |
| #0B5F99 text on black | 3.11:1 | AA large text | Lc -19.2 | 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 700.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C9DCED
oklch(88.6% 0.031 245.1)
-
Step 300
300
#A3C5E4
oklch(80.9% 0.057 246.1)
-
Step 400
400
#70A6D7
oklch(70.7% 0.092 246.9)
-
Step 500
500
#478FCC
oklch(63.1% 0.117 246.6)
-
Step 600
600
#2478B9
oklch(55.6% 0.128 246.7)
-
Step 700
700 (this color)
#0B5F99
oklch(47.1% 0.118 246.6)
-
Step 800
800
#165281
oklch(42.6% 0.098 247)
-
Step 900
900
#1A4568
oklch(37.8% 0.076 246.4)
-
Step 950
950
#11283D
oklch(26.9% 0.049 248.1)
#0B5F99 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) | #43629B | 0.044 |
| Deuteranopia (no green cones) | #2E5698 | 0.030 |
| Tritanopia (no blue cones) | #006D74 | 0.084 |
| Achromatopsia (no color) | #5B5B5B | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B5F99
#0B5F99
oklch(47.1% 0.118 246.6)
- #824D00
#824D00
oklch(47.1% 0.105 66.1)
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 #0B5F99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.026
- Light Navy Blue #2E5A88 ΔE 0.032
- Denim Blue #3B5B92 ΔE 0.034
- Dusk Blue #26538D ΔE 0.037
- Denim #3B638C ΔE 0.042
- Deep Sea Blue #015482 ΔE 0.047
- Dusky Blue #475F94 ΔE 0.047
- Light Navy #155084 ΔE 0.051
Use #0B5F99 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.