#01AFE7
Closest named color: Deep Sky Blue (#00BFFF). oklch(70.6% 0.141 230.3), rgb(1, 175, 231).
Aa
Black text reads best on this color (8.28:1).
About this color
#01AFE7 is a medium-light, vivid blue. In OKLCH its lightness is 71%, its chroma 0.141 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.051 away. Black text reads best on it, at 8.28:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.141) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 8.28:1 |
| White text | 2.53:1 |
Values
| HEX | #01AFE7 |
| RGB | rgb(1, 175, 231) |
| HSL | hsl(195, 99%, 45%) |
| OKLCH | oklch(70.6% 0.141 230.3) |
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 #01AFE7 | 2.53:1 | Fails | Lc -54.0 | Large or bold text, headings |
| Black text on #01AFE7 | 8.28:1 | AAA | Lc 55.0 | Large or bold text, headings |
| #01AFE7 text on white | 2.53:1 | Fails | Lc 49.0 | Large or bold text, headings |
| #01AFE7 text on black | 8.28:1 | AAA | Lc -53.0 | 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
#DAEEF8
oklch(93.7% 0.025 229.1)
-
Step 200
200
#B9E0F4
oklch(88.5% 0.049 230.3)
-
Step 300
300
#83CCEF
oklch(81% 0.088 230)
-
Step 400
400 (this color)
#01AFE7
oklch(70.6% 0.141 230.3)
-
Step 500
500
#0096C7
oklch(63.1% 0.126 230.5)
-
Step 600
600
#007EA8
oklch(55.6% 0.112 230.6)
-
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)
#01AFE7 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) | #92ADEA | 0.095 |
| Deuteranopia (no green cones) | #789BE6 | 0.080 |
| Tritanopia (no blue cones) | #00BEC2 | 0.079 |
| Achromatopsia (no color) | #A3A3A3 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01AFE7
#01AFE7
oklch(70.6% 0.141 230.3)
- #E58348
#E58348
oklch(70.6% 0.141 49.8)
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 #01AFE7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.051
- Turquoise Blue #06B1C4 ΔE 0.055
- Chefchaouen Blue #4895EF ΔE 0.076
- Vivid Sky Blue #4CC9F0 ΔE 0.081
- Bright Sky Blue #02CCFE ΔE 0.081
- Cornflower Blue #6495ED ΔE 0.082
- Dark Sky Blue #448EE4 ΔE 0.089
- Greyblue #77A1B5 ΔE 0.089
Use #01AFE7 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.