#4093F7
Closest named color: Chefchaouen Blue (#4895EF). oklch(66.1% 0.169 255), rgb(64, 147, 247).
Aa
Black text reads best on this color (6.73:1).
About this color
#4093F7 is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.169 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.015 away. Black text reads best on it, at 6.73:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.73:1 |
| White text | 3.11:1 |
Values
| HEX | #4093F7 |
| RGB | rgb(64, 147, 247) |
| HSL | hsl(213, 92%, 61%) |
| OKLCH | oklch(66.1% 0.169 255) |
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 #4093F7 | 3.11:1 | AA large text | Lc -63.2 | Content text, not long reading |
| Black text on #4093F7 | 6.73:1 | AA | Lc 46.3 | Large or bold text, headings |
| #4093F7 text on white | 3.11:1 | AA large text | Lc 57.8 | Large or bold text, headings |
| #4093F7 text on black | 6.73:1 | AA | Lc -44.0 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#DFEBFA
oklch(93.6% 0.024 254)
-
Step 200
200
#C5DBF8
oklch(88.4% 0.047 255.4)
-
Step 300
300
#9DC4F6
oklch(81% 0.083 254.9)
-
Step 400
400
#65A3F1
oklch(70.7% 0.132 254.9)
-
Step 500
500 (this color)
#4093F7
oklch(66.1% 0.169 255)
-
Step 600
600
#0071DB
oklch(55.7% 0.183 255)
-
Step 700
700
#005EB9
oklch(49% 0.162 255.1)
-
Step 800
800
#004D99
oklch(42.7% 0.14 255)
-
Step 900
900
#0E417A
oklch(37.7% 0.11 254.8)
-
Step 950
950
#0B2648
oklch(26.9% 0.071 255.8)
#4093F7 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) | #639BFB | 0.040 |
| Deuteranopia (no green cones) | #448AF5 | 0.023 |
| Tritanopia (no blue cones) | #00ABB9 | 0.130 |
| Achromatopsia (no color) | #929292 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4093F7
#4093F7
oklch(66.1% 0.169 255)
- #C48400
#C48400
oklch(66.2% 0.14 74.8)
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 #4093F7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.015
- Dodger Blue #1E90FF ΔE 0.024
- Dark Sky Blue #448EE4 ΔE 0.029
- Cornflower Blue #6495ED ΔE 0.035
- Soft Blue #6488EA ΔE 0.040
- Cornflower #6A79F7 ΔE 0.071
- Clear Blue #247AFD ΔE 0.071
- Water Blue #0E87CC ΔE 0.076
Use #4093F7 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.