#0D5B98
Closest named color: Dusk Blue (#26538D). oklch(46.1% 0.121 249), rgb(13, 91, 152).
Aa
White text reads best on this color (7.07:1).
About this color
#0D5B98 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.121 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.027 away. White text reads best on it, at 7.07:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.96:1 |
| White text | 7.07:1 |
Values
| HEX | #0D5B98 |
| RGB | rgb(13, 91, 152) |
| HSL | hsl(206, 84%, 32%) |
| OKLCH | oklch(46.1% 0.121 249) |
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 #0D5B98 | 7.07:1 | AAA | Lc -89.0 | Fine for body text |
| Black text on #0D5B98 | 2.96:1 | Fails | Lc 20.0 | Dividers and decoration only |
| #0D5B98 text on white | 7.07:1 | AAA | Lc 84.0 | Fine for body text |
| #0D5B98 text on black | 2.96:1 | Fails | Lc -17.9 | 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 700.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#C9DBEE
oklch(88.4% 0.033 249.6)
-
Step 300
300
#A4C4E5
oklch(80.8% 0.058 249.3)
-
Step 400
400
#72A5D9
oklch(70.6% 0.094 249.7)
-
Step 500
500
#4A8ECE
oklch(63.1% 0.119 249)
-
Step 600
600
#2977BB
oklch(55.6% 0.129 248.9)
-
Step 700
700 (this color)
#0D5B98
oklch(46.1% 0.121 249)
-
Step 800
800
#195283
oklch(42.8% 0.1 248.7)
-
Step 900
900
#1C4469
oklch(37.7% 0.078 249.1)
-
Step 950
950
#11283D
oklch(26.9% 0.049 248.1)
#0D5B98 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) | #3D5F9A | 0.040 |
| Deuteranopia (no green cones) | #275397 | 0.025 |
| Tritanopia (no blue cones) | #006A72 | 0.087 |
| Achromatopsia (no color) | #585858 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D5B98
#0D5B98
oklch(46.1% 0.121 249)
- #7C4C00
#7C4C00
oklch(46.1% 0.101 68.8)
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 #0D5B98, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.027
- Light Navy Blue #2E5A88 ΔE 0.031
- Denim Blue #3B5B92 ΔE 0.034
- Peacock Blue #016795 ΔE 0.037
- Deep Sea Blue #015482 ΔE 0.040
- Light Navy #155084 ΔE 0.042
- Denim #3B638C ΔE 0.049
- Dusky Blue #475F94 ΔE 0.051
Use #0D5B98 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.