#4591F6
Closest named color: Chefchaouen Blue (#4895EF). oklch(65.8% 0.168 256.5), rgb(69, 145, 246).
Aa
Black text reads best on this color (6.63:1).
About this color
#4591F6 is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.168 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.017 away. Black text reads best on it, at 6.63:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.168) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.63:1 |
| White text | 3.16:1 |
Values
| HEX | #4591F6 |
| RGB | rgb(69, 145, 246) |
| HSL | hsl(214, 91%, 62%) |
| OKLCH | oklch(65.8% 0.168 256.5) |
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 #4591F6 | 3.16:1 | AA large text | Lc -63.8 | Content text, not long reading |
| Black text on #4591F6 | 6.63:1 | AA | Lc 45.6 | Large or bold text, headings |
| #4591F6 text on white | 3.16:1 | AA large text | Lc 58.4 | Large or bold text, headings |
| #4591F6 text on black | 6.63:1 | AA | Lc -43.3 | 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
#E0EBFA
oklch(93.6% 0.024 256.1)
-
Step 200
200
#C6DBF8
oklch(88.5% 0.046 256.5)
-
Step 300
300
#9EC3F6
oklch(80.9% 0.083 256.5)
-
Step 400
400
#68A2F1
oklch(70.6% 0.132 256.5)
-
Step 500
500 (this color)
#4591F6
oklch(65.8% 0.168 256.5)
-
Step 600
600
#1470DB
oklch(55.7% 0.182 256.4)
-
Step 700
700
#015DBE
oklch(49.2% 0.17 256.4)
-
Step 800
800
#0A4C9A
oklch(42.7% 0.142 256.7)
-
Step 900
900
#13407A
oklch(37.6% 0.11 256.6)
-
Step 950
950
#0D2648
oklch(27% 0.07 257)
#4591F6 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) | #619AFA | 0.037 |
| Deuteranopia (no green cones) | #4389F4 | 0.021 |
| Tritanopia (no blue cones) | #00A9B7 | 0.132 |
| Achromatopsia (no color) | #919191 | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4591F6
#4591F6
oklch(65.8% 0.168 256.5)
- #C18400
#C18400
oklch(65.8% 0.138 76.3)
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 #4591F6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.017
- Dodger Blue #1E90FF ΔE 0.025
- Dark Sky Blue #448EE4 ΔE 0.027
- Cornflower Blue #6495ED ΔE 0.034
- Soft Blue #6488EA ΔE 0.035
- Cornflower #6A79F7 ΔE 0.066
- Clear Blue #247AFD ΔE 0.068
- Water Blue #0E87CC ΔE 0.075
Use #4591F6 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.