#0B5674
Closest named color: Deep Sea Blue (#015482). oklch(42.6% 0.083 231.9), rgb(11, 86, 116).
Aa
White text reads best on this color (8.08:1).
About this color
#0B5674 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.083 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.026 away. White text reads best on it, at 8.08:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.59:1 |
| White text | 8.08:1 |
Values
| HEX | #0B5674 |
| RGB | rgb(11, 86, 116) |
| HSL | hsl(197, 83%, 25%) |
| OKLCH | oklch(42.6% 0.083 231.9) |
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 #0B5674 | 8.08:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #0B5674 | 2.59:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #0B5674 text on white | 8.08:1 | AAA | Lc 87.6 | Fine for body text |
| #0B5674 text on black | 2.59:1 | Fails | Lc -14.6 | Not readable |
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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C8DDE8
oklch(88.5% 0.027 230.4)
-
Step 300
300
#A2C7DB
oklch(80.9% 0.049 231.7)
-
Step 400
400
#6DAAC9
oklch(70.8% 0.078 231.5)
-
Step 500
500
#4194BB
oklch(63.2% 0.099 231.7)
-
Step 600
600
#167DA7
oklch(55.5% 0.108 232.2)
-
Step 700
700
#016A8F
oklch(49.2% 0.099 231.4)
-
Step 800
800 (this color)
#0B5674
oklch(42.6% 0.083 231.9)
-
Step 900
900
#16475E
oklch(37.7% 0.065 232.7)
-
Step 950
950
#0F2A37
oklch(27.1% 0.041 231.9)
#0B5674 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) | #475575 | 0.054 |
| Deuteranopia (no green cones) | #394C74 | 0.045 |
| Tritanopia (no blue cones) | #005E60 | 0.049 |
| Achromatopsia (no color) | #505050 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B5674
#0B5674
oklch(42.6% 0.083 231.9)
- #724020
#724020
oklch(42.6% 0.083 51.4)
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 #0B5674, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.026
- Light Navy #155084 ΔE 0.036
- Petrol #005F6A ΔE 0.037
- Light Navy Blue #2E5A88 ΔE 0.044
- Deep Teal #00555A ΔE 0.045
- Dusk Blue #26538D ΔE 0.049
- YInMn Blue #415A77 ΔE 0.049
- Dark Grey Blue #29465B ΔE 0.057
Use #0B5674 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.