#0D55B6
Closest named color: Blue Blue (#2242C7). oklch(46.9% 0.168 258.5), rgb(13, 85, 182).
Aa
White text reads best on this color (7.01:1).
About this color
#0D55B6 is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.168 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.051 away. White text reads best on it, at 7.01:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.168) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.99:1 |
| White text | 7.01:1 |
Values
| HEX | #0D55B6 |
| RGB | rgb(13, 85, 182) |
| HSL | hsl(214, 87%, 38%) |
| OKLCH | oklch(46.9% 0.168 258.5) |
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 #0D55B6 | 7.01:1 | AAA | Lc -88.6 | Fine for body text |
| Black text on #0D55B6 | 2.99:1 | Fails | Lc 20.4 | Dividers and decoration only |
| #0D55B6 text on white | 7.01:1 | AAA | Lc 83.6 | Fine for body text |
| #0D55B6 text on black | 2.99:1 | Fails | Lc -18.3 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EBFA
oklch(93.7% 0.023 258.4)
-
Step 200
200
#C7DBF8
oklch(88.6% 0.046 257.6)
-
Step 300
300
#A1C2F5
oklch(80.8% 0.081 259)
-
Step 400
400
#6DA1F1
oklch(70.7% 0.13 258.7)
-
Step 500
500
#4587EC
oklch(63.1% 0.166 258.8)
-
Step 600
600
#246EDA
oklch(55.5% 0.181 258.7)
-
Step 700
700 (this color)
#0D55B6
oklch(46.9% 0.168 258.5)
-
Step 800
800
#164B99
oklch(42.6% 0.139 258.8)
-
Step 900
900
#19407A
oklch(37.8% 0.108 258.5)
-
Step 950
950
#102647
oklch(27% 0.068 258.4)
#0D55B6 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) | #0161B9 | 0.032 |
| Deuteranopia (no green cones) | #0052B4 | 0.010 |
| Tritanopia (no blue cones) | #006D7D | 0.127 |
| Achromatopsia (no color) | #595959 | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D55B6
#0D55B6
oklch(46.9% 0.168 258.5)
- #785300
#785300
oklch(47% 0.098 78.8)
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 #0D55B6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.051
- Mid Blue #276AB3 ΔE 0.063
- Dusk Blue #26538D ΔE 0.066
- Cobalt #1E488F ΔE 0.069
- Sapphire #2138AB ΔE 0.070
- Denim Blue #3B5B92 ΔE 0.071
- Majorelle Blue #3F37C9 ΔE 0.077
- Peacock Blue #016795 ΔE 0.079
Use #0D55B6 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.