#02ACF1
Closest named color: Deep Sky Blue (#00BFFF). oklch(70.4% 0.152 236.3), rgb(2, 172, 241).
Aa
Black text reads best on this color (8.17:1).
About this color
#02ACF1 is a medium-light, vivid blue. In OKLCH its lightness is 70%, its chroma 0.152 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.052 away. Black text reads best on it, at 8.17:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.152) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 8.17:1 |
| White text | 2.56:1 |
Values
| HEX | #02ACF1 |
| RGB | rgb(2, 172, 241) |
| HSL | hsl(197, 98%, 48%) |
| OKLCH | oklch(70.4% 0.152 236.3) |
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 #02ACF1 | 2.56:1 | Fails | Lc -54.7 | Large or bold text, headings |
| Black text on #02ACF1 | 8.17:1 | AAA | Lc 54.4 | Large or bold text, headings |
| #02ACF1 text on white | 2.56:1 | Fails | Lc 49.6 | Large or bold text, headings |
| #02ACF1 text on black | 8.17:1 | AAA | Lc -52.4 | 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
#EEF7FD
oklch(97.1% 0.013 236.6)
-
Step 100
100
#D9EDFA
oklch(93.5% 0.028 236.2)
-
Step 200
200
#B9DFF8
oklch(88.5% 0.053 237)
-
Step 300
300
#83CAF6
oklch(80.8% 0.095 236.8)
-
Step 400
400 (this color)
#02ACF1
oklch(70.4% 0.152 236.3)
-
Step 500
500
#0094D0
oklch(63.1% 0.136 236.2)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
Step 700
700
#006894
oklch(49% 0.106 236.4)
-
Step 800
800
#00557A
oklch(42.5% 0.092 236.4)
-
Step 900
900
#004767
oklch(37.7% 0.082 236.6)
-
Step 950
950
#002A3F
oklch(27% 0.059 236.5)
#02ACF1 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) | #8AACF4 | 0.087 |
| Deuteranopia (no green cones) | #6E99F0 | 0.070 |
| Tritanopia (no blue cones) | #00BEC4 | 0.095 |
| Achromatopsia (no color) | #A1A1A1 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #02ACF1
#02ACF1
oklch(70.4% 0.152 236.3)
- #E58330
#E58330
oklch(70.4% 0.152 56.2)
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 #02ACF1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.052
- Chefchaouen Blue #4895EF ΔE 0.063
- Cornflower Blue #6495ED ΔE 0.071
- Turquoise Blue #06B1C4 ΔE 0.073
- Dark Sky Blue #448EE4 ΔE 0.079
- Dodger Blue #1E90FF ΔE 0.082
- Bright Sky Blue #02CCFE ΔE 0.087
- Vivid Sky Blue #4CC9F0 ΔE 0.090
Use #02ACF1 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.