#0B5E81
Closest named color: Light Navy Blue (#2E5A88). oklch(45.5% 0.091 233.7), rgb(11, 94, 129).
Aa
White text reads best on this color (7.16:1).
About this color
#0B5E81 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.091 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.028 away. White text reads best on it, at 7.16:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.93:1 |
| White text | 7.16:1 |
Values
| HEX | #0B5E81 |
| RGB | rgb(11, 94, 129) |
| HSL | hsl(198, 84%, 27%) |
| OKLCH | oklch(45.5% 0.091 233.7) |
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 #0B5E81 | 7.16:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #0B5E81 | 2.93:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #0B5E81 text on white | 7.16:1 | AAA | Lc 84.4 | Fine for body text |
| #0B5E81 text on black | 2.93:1 | Fails | Lc -17.6 | 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 800.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF3
oklch(93.6% 0.016 233)
-
Step 200
200
#C7DDEA
oklch(88.5% 0.03 233.6)
-
Step 300
300
#9FC7DE
oklch(80.9% 0.054 233.5)
-
Step 400
400
#68AACE
oklch(70.8% 0.086 233.7)
-
Step 500
500
#3894C1
oklch(63.2% 0.109 233.7)
-
Step 600
600
#007DAC
oklch(55.5% 0.116 233.8)
-
Step 700
700
#006991
oklch(49% 0.102 233.6)
-
Step 800
800 (this color)
#0B5E81
oklch(45.5% 0.091 233.7)
-
Step 900
900
#0F4761
oklch(37.6% 0.071 234)
-
Step 950
950
#0C2A39
oklch(27% 0.045 233.7)
#0B5E81 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) | #4D5D83 | 0.057 |
| Deuteranopia (no green cones) | #3E5380 | 0.047 |
| Tritanopia (no blue cones) | #00676A | 0.054 |
| Achromatopsia (no color) | #585858 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B5E81
#0B5E81
oklch(45.5% 0.091 233.7)
- #7D4720
#7D4720
oklch(45.5% 0.091 53.8)
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 #0B5E81, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.028
- Deep Sea Blue #015482 ΔE 0.032
- Peacock Blue #016795 ΔE 0.038
- Petrol #005F6A ΔE 0.041
- YInMn Blue #415A77 ΔE 0.042
- Denim #3B638C ΔE 0.044
- Dusk Blue #26538D ΔE 0.044
- Light Navy #155084 ΔE 0.044
Use #0B5E81 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.