#02B4F2
Closest named color: Deep Sky Blue (#00BFFF). oklch(72.4% 0.148 232.3), rgb(2, 180, 242).
Aa
Black text reads best on this color (8.81:1).
About this color
#02B4F2 is a medium-light, vivid blue. In OKLCH its lightness is 72%, its chroma 0.148 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.032 away. Black text reads best on it, at 8.81:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 8.81:1 |
| White text | 2.38:1 |
Values
| HEX | #02B4F2 |
| RGB | rgb(2, 180, 242) |
| HSL | hsl(195, 98%, 48%) |
| OKLCH | oklch(72.4% 0.148 232.3) |
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 #02B4F2 | 2.38:1 | Fails | Lc -51.2 | Large or bold text, headings |
| Black text on #02B4F2 | 8.81:1 | AAA | Lc 57.7 | Large or bold text, headings |
| #02B4F2 text on white | 2.38:1 | Fails | Lc 46.3 | Large or bold text, headings |
| #02B4F2 text on black | 8.81:1 | AAA | Lc -55.8 | 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
#D9EDF9
oklch(93.5% 0.027 234)
-
Step 200
200
#B8E0F6
oklch(88.5% 0.052 232.2)
-
Step 300
300
#81CBF2
oklch(80.8% 0.092 232.5)
-
Step 400
400 (this color)
#02B4F2
oklch(72.4% 0.148 232.3)
-
Step 500
500
#0096CA
oklch(63.2% 0.129 232.1)
-
Step 600
600
#007EAA
oklch(55.7% 0.113 231.8)
-
Step 700
700
#006990
oklch(49% 0.101 232.9)
-
Step 800
800
#005676
oklch(42.6% 0.087 232.3)
-
Step 900
900
#004863
oklch(37.7% 0.077 231.8)
-
Step 950
950
#002B3D
oklch(27.1% 0.055 231.9)
#02B4F2 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) | #95B2F5 | 0.095 |
| Deuteranopia (no green cones) | #79A0F1 | 0.078 |
| Tritanopia (no blue cones) | #00C5C9 | 0.088 |
| Achromatopsia (no color) | #A8A8A8 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #02B4F2
#02B4F2
oklch(72.4% 0.148 232.3)
- #ED8843
#ED8843
oklch(72.4% 0.148 52.3)
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 #02B4F2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.032
- Bright Sky Blue #02CCFE ΔE 0.065
- Turquoise Blue #06B1C4 ΔE 0.068
- Vivid Sky Blue #4CC9F0 ΔE 0.069
- Chefchaouen Blue #4895EF ΔE 0.083
- Carolina Blue #8AB8FE ΔE 0.087
- Cornflower Blue #6495ED ΔE 0.088
- Lightblue #7BC8F6 ΔE 0.090
Use #02B4F2 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.