#03AAE2
Closest named color: Turquoise Blue (#06B1C4). oklch(69.2% 0.139 231), rgb(3, 170, 226).
Aa
Black text reads best on this color (7.85:1).
About this color
#03AAE2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.139 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.055 away. Black text reads best on it, at 7.85:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.85:1 |
| White text | 2.67:1 |
Values
| HEX | #03AAE2 |
| RGB | rgb(3, 170, 226) |
| HSL | hsl(195, 97%, 45%) |
| OKLCH | oklch(69.2% 0.139 231) |
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 #03AAE2 | 2.67:1 | Fails | Lc -56.5 | Large or bold text, headings |
| Black text on #03AAE2 | 7.85:1 | AAA | Lc 52.7 | Large or bold text, headings |
| #03AAE2 text on white | 2.67:1 | Fails | Lc 51.3 | Large or bold text, headings |
| #03AAE2 text on black | 7.85:1 | AAA | Lc -50.6 | Large or bold text, headings |
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 400.
-
Step 50
50
#EEF7FC
oklch(97.1% 0.012 231.7)
-
Step 100
100
#DAEDF8
oklch(93.5% 0.025 233)
-
Step 200
200
#BAE0F4
oklch(88.6% 0.048 230.9)
-
Step 300
300
#84CBEF
oklch(80.8% 0.087 231.4)
-
Step 400
400 (this color)
#03AAE2
oklch(69.2% 0.139 231)
-
Step 500
500
#0096C8
oklch(63.1% 0.127 231)
-
Step 600
600
#007EA9
oklch(55.6% 0.112 231.2)
-
Step 700
700
#006A8E
oklch(49.1% 0.099 230.6)
-
Step 800
800
#005775
oklch(42.8% 0.086 230.3)
-
Step 900
900
#004862
oklch(37.7% 0.076 230.8)
-
Step 950
950
#002B3C
oklch(27.1% 0.054 230.4)
#03AAE2 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) | #8DA8E5 | 0.092 |
| Deuteranopia (no green cones) | #7396E1 | 0.078 |
| Tritanopia (no blue cones) | #00B9BD | 0.080 |
| Achromatopsia (no color) | #9E9E9E | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03AAE2
#03AAE2
oklch(69.2% 0.139 231)
- #DF8043
#DF8043
oklch(69.2% 0.139 51.2)
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 #03AAE2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.055
- Deep Sky Blue #00BFFF ΔE 0.065
- Chefchaouen Blue #4895EF ΔE 0.067
- Cornflower Blue #6495ED ΔE 0.075
- Dark Sky Blue #448EE4 ΔE 0.078
- Greyblue #77A1B5 ΔE 0.085
- Dodger Blue #1E90FF ΔE 0.090
- Faded Blue #658CBB ΔE 0.093
Use #03AAE2 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.