#0FA0E3
Closest named color: Chefchaouen Blue (#4895EF). oklch(67% 0.145 237.8), rgb(15, 160, 227).
Aa
Black text reads best on this color (7.15:1).
About this color
#0FA0E3 is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.145 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.044 away. Black text reads best on it, at 7.15:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 7.15:1 |
| White text | 2.93:1 |
Values
| HEX | #0FA0E3 |
| RGB | rgb(15, 160, 227) |
| HSL | hsl(199, 88%, 47%) |
| OKLCH | oklch(67% 0.145 237.8) |
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 #0FA0E3 | 2.93:1 | Fails | Lc -60.5 | Content text, not long reading |
| Black text on #0FA0E3 | 7.15:1 | AAA | Lc 48.9 | Large or bold text, headings |
| #0FA0E3 text on white | 2.93:1 | Fails | Lc 55.2 | Large or bold text, headings |
| #0FA0E3 text on black | 7.15:1 | AAA | Lc -46.6 | 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
#EEF7FD
oklch(97.1% 0.013 236.6)
-
Step 100
100
#DAEDFA
oklch(93.6% 0.027 237.6)
-
Step 200
200
#BBDFF7
oklch(88.5% 0.05 237.3)
-
Step 300
300
#87CAF5
oklch(81% 0.091 237.6)
-
Step 400
400 (this color)
#0FA0E3
oklch(67% 0.145 237.8)
-
Step 500
500
#0094D3
oklch(63.2% 0.139 237.5)
-
Step 600
600
#007CB2
oklch(55.6% 0.123 237.7)
-
Step 700
700
#006896
oklch(49.1% 0.108 237.6)
-
Step 800
800
#00557C
oklch(42.7% 0.094 237.9)
-
Step 900
900
#004768
oklch(37.7% 0.083 237.5)
-
Step 950
950
#002A40
oklch(27% 0.06 237.8)
#0FA0E3 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) | #7FA0E6 | 0.079 |
| Deuteranopia (no green cones) | #658FE2 | 0.063 |
| Tritanopia (no blue cones) | #00B1B8 | 0.092 |
| Achromatopsia (no color) | #979797 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0FA0E3
#0FA0E3
oklch(67% 0.145 237.8)
- #D67B27
#D67B27
oklch(67% 0.145 57.8)
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 #0FA0E3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.044
- Dark Sky Blue #448EE4 ΔE 0.051
- Cornflower Blue #6495ED ΔE 0.059
- Dodger Blue #1E90FF ΔE 0.066
- Water Blue #0E87CC ΔE 0.073
- Turquoise Blue #06B1C4 ΔE 0.076
- Soft Blue #6488EA ΔE 0.079
- Faded Blue #658CBB ΔE 0.079
Use #0FA0E3 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.