#4293EC
Closest named color: Chefchaouen Blue (#4895EF). oklch(65.5% 0.155 253.1), rgb(66, 147, 236).
Aa
Black text reads best on this color (6.61:1).
About this color
#4293EC is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.155 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.009 away. Black text reads best on it, at 6.61:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.155) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.61:1 |
| White text | 3.17:1 |
Values
| HEX | #4293EC |
| RGB | rgb(66, 147, 236) |
| HSL | hsl(211, 82%, 59%) |
| OKLCH | oklch(65.5% 0.155 253.1) |
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 #4293EC | 3.17:1 | AA large text | Lc -63.9 | Content text, not long reading |
| Black text on #4293EC | 6.61:1 | AA | Lc 45.5 | Large or bold text, headings |
| #4293EC text on white | 3.17:1 | AA large text | Lc 58.5 | Large or bold text, headings |
| #4293EC text on black | 6.61:1 | AA | Lc -43.2 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C6DBF5
oklch(88.4% 0.042 253.8)
-
Step 300
300
#9EC4F1
oklch(80.9% 0.076 253)
-
Step 400
400
#68A4EA
oklch(70.7% 0.121 253.2)
-
Step 500
500 (this color)
#4293EC
oklch(65.5% 0.155 253.1)
-
Step 600
600
#0973D2
oklch(55.6% 0.169 253.2)
-
Step 700
700
#0060B3
oklch(49% 0.152 253.2)
-
Step 800
800
#044F93
oklch(42.7% 0.129 253)
-
Step 900
900
#114275
oklch(37.6% 0.101 253.1)
-
Step 950
950
#0C2745
oklch(27% 0.065 253.3)
#4293EC 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) | #6A99F0 | 0.043 |
| Deuteranopia (no green cones) | #5089EA | 0.027 |
| Tritanopia (no blue cones) | #00A8B4 | 0.118 |
| Achromatopsia (no color) | #909090 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4293EC
#4293EC
oklch(65.5% 0.155 253.1)
- #C38100
#C38100
oklch(65.5% 0.139 73.3)
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 #4293EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.009
- Dark Sky Blue #448EE4 ΔE 0.016
- Cornflower Blue #6495ED ΔE 0.032
- Dodger Blue #1E90FF ΔE 0.036
- Soft Blue #6488EA ΔE 0.038
- Water Blue #0E87CC ΔE 0.064
- Faded Blue #658CBB ΔE 0.076
- Cornflower #6A79F7 ΔE 0.076
Use #4293EC 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.