#0FAAFF
Closest named color: Chefchaouen Blue (#4895EF). oklch(70.8% 0.167 242.5), rgb(15, 170, 255).
Aa
Black text reads best on this color (8.21:1).
About this color
#0FAAFF is a medium-light, vivid blue. In OKLCH its lightness is 71%, its chroma 0.167 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.056 away. Black text reads best on it, at 8.21:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.167) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 8.21:1 |
| White text | 2.55:1 |
Values
| HEX | #0FAAFF |
| RGB | rgb(15, 170, 255) |
| HSL | hsl(201, 100%, 53%) |
| OKLCH | oklch(70.8% 0.167 242.5) |
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 #0FAAFF | 2.55:1 | Fails | Lc -54.5 | Large or bold text, headings |
| Black text on #0FAAFF | 8.21:1 | AAA | Lc 54.6 | Large or bold text, headings |
| #0FAAFF text on white | 2.55:1 | Fails | Lc 49.4 | Large or bold text, headings |
| #0FAAFF text on black | 8.21:1 | AAA | Lc -52.6 | 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
#EEF7FE
oklch(97.1% 0.013 241)
-
Step 100
100
#D9EDFD
oklch(93.6% 0.03 242)
-
Step 200
200
#B9DFFD
oklch(88.6% 0.058 242.1)
-
Step 300
300
#82C9FF
oklch(80.9% 0.105 242.4)
-
Step 400
400 (this color)
#0FAAFF
oklch(70.8% 0.167 242.5)
-
Step 500
500
#0091DC
oklch(63% 0.151 242.6)
-
Step 600
600
#007ABA
oklch(55.6% 0.133 242.5)
-
Step 700
700
#00669D
oklch(49% 0.118 242.7)
-
Step 800
800
#005482
oklch(42.8% 0.102 242.4)
-
Step 900
900
#00466D
oklch(37.8% 0.09 242.2)
-
Step 950
950
#002943
oklch(27% 0.065 242.6)
#0FAAFF 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) | #81ADFF | 0.076 |
| Deuteranopia (no green cones) | #6199FD | 0.056 |
| Tritanopia (no blue cones) | #00BFC9 | 0.112 |
| Achromatopsia (no color) | #A2A2A2 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0FAAFF
#0FAAFF
oklch(70.8% 0.167 242.5)
- #E68600
#E68600
oklch(70.8% 0.162 62.7)
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 #0FAAFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.056
- Deep Sky Blue #00BFFF ΔE 0.058
- Cornflower Blue #6495ED ΔE 0.066
- Dodger Blue #1E90FF ΔE 0.069
- Dark Sky Blue #448EE4 ΔE 0.077
- Soft Blue #6488EA ΔE 0.093
- Bright Sky Blue #02CCFE ΔE 0.094
- Carolina Blue #8AB8FE ΔE 0.096
Use #0FAAFF 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.