#0072A3
Closest named color: Ocean Blue (#03719C). oklch(52.3% 0.114 237.1), rgb(0, 114, 163).
Aa
White text reads best on this color (5.33:1).
About this color
#0072A3 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.114 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean Blue (#03719C), ΔE 0.011 away. White text reads best on it, at 5.33:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Ocean Blue (#03719C) |
| Black text | 3.93:1 |
| White text | 5.33:1 |
Values
| HEX | #0072A3 |
| RGB | rgb(0, 114, 163) |
| HSL | hsl(198, 100%, 32%) |
| OKLCH | oklch(52.3% 0.114 237.1) |
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 #0072A3 | 5.33:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #0072A3 | 3.93:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #0072A3 text on white | 5.33:1 | AA | Lc 75.9 | Fine for body text |
| #0072A3 text on black | 3.93:1 | AA large text | Lc -25.8 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF3
oklch(93.6% 0.016 233)
-
Step 200
200
#C7DDEB
oklch(88.6% 0.03 235.7)
-
Step 300
300
#9FC7E0
oklch(80.9% 0.055 235.8)
-
Step 400
400
#68A9D1
oklch(70.7% 0.089 236.9)
-
Step 500
500
#3993C5
oklch(63.2% 0.113 237)
-
Step 600
600
#007CB1
oklch(55.6% 0.122 237.2)
-
Step 700
700 (this color)
#0072A3
oklch(52.3% 0.114 237.1)
-
Step 800
800
#00557B
oklch(42.6% 0.093 237.2)
-
Step 900
900
#0F4764
oklch(37.8% 0.074 236.9)
-
Step 950
950
#0C2A3A
oklch(27.1% 0.046 235.5)
#0072A3 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) | #5A72A5 | 0.064 |
| Deuteranopia (no green cones) | #4665A2 | 0.051 |
| Tritanopia (no blue cones) | #007F83 | 0.073 |
| Achromatopsia (no color) | #6B6B6B | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0072A3
#0072A3
oklch(52.3% 0.114 237.1)
- #9A5619
#9A5619
oklch(52.3% 0.114 57)
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 #0072A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Blue #03719C ΔE 0.011
- Sea Blue #047495 ΔE 0.025
- Muted Blue #3B719F ΔE 0.029
- Nice Blue #107AB0 ΔE 0.029
- Flat Blue #3C73A8 ΔE 0.033
- Peacock Blue #016795 ΔE 0.036
- Mid Blue #276AB3 ΔE 0.040
- Ocean #017B92 ΔE 0.044
Use #0072A3 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.