#0D73A6
Closest named color: Ocean Blue (#03719C). oklch(52.9% 0.115 238.8), rgb(13, 115, 166).
Aa
White text reads best on this color (5.22:1).
About this color
#0D73A6 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.115 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean Blue (#03719C), ΔE 0.017 away. White text reads best on it, at 5.22:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Ocean Blue (#03719C) |
| Black text | 4.02:1 |
| White text | 5.22:1 |
Values
| HEX | #0D73A6 |
| RGB | rgb(13, 115, 166) |
| HSL | hsl(200, 85%, 35%) |
| OKLCH | oklch(52.9% 0.115 238.8) |
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 #0D73A6 | 5.22:1 | AA | Lc -80.8 | Fine for body text |
| Black text on #0D73A6 | 4.02:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #0D73A6 text on white | 5.22:1 | AA | Lc 75.4 | Fine for body text |
| #0D73A6 text on black | 4.02:1 | AA large text | Lc -26.3 | 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 600.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C9DCEA
oklch(88.5% 0.028 239.7)
-
Step 300
300
#A3C6DF
oklch(80.9% 0.052 239.4)
-
Step 400
400
#6EA8CF
oklch(70.7% 0.083 239)
-
Step 500
500
#4492C2
oklch(63.1% 0.105 238.6)
-
Step 600
600 (this color)
#0D73A6
oklch(52.9% 0.115 238.8)
-
Step 700
700
#0A6896
oklch(49.2% 0.107 238.4)
-
Step 800
800
#10557A
oklch(42.8% 0.089 238.6)
-
Step 900
900
#174662
oklch(37.6% 0.069 238.8)
-
Step 950
950
#0F2939
oklch(26.9% 0.044 238.4)
#0D73A6 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) | #5A74A8 | 0.060 |
| Deuteranopia (no green cones) | #4667A5 | 0.047 |
| Tritanopia (no blue cones) | #008085 | 0.075 |
| Achromatopsia (no color) | #6C6C6C | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D73A6
#0D73A6
oklch(52.9% 0.115 238.8)
- #9B5817
#9B5817
oklch(52.8% 0.115 58.7)
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 #0D73A6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Blue #03719C ΔE 0.017
- Nice Blue #107AB0 ΔE 0.024
- Muted Blue #3B719F ΔE 0.026
- Flat Blue #3C73A8 ΔE 0.028
- Sea Blue #047495 ΔE 0.029
- Mid Blue #276AB3 ΔE 0.037
- Peacock Blue #016795 ΔE 0.042
- French Blue #436BAD ΔE 0.042
Use #0D73A6 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.