#4E81F9
Closest named color: Cornflower (#6A79F7). oklch(63% 0.188 264.4), rgb(78, 129, 249).
Aa
Black text reads best on this color (5.83:1).
About this color
#4E81F9 is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.188 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.033 away. Black text reads best on it, at 5.83:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.188) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.83:1 |
| White text | 3.60:1 |
Values
| HEX | #4E81F9 |
| RGB | rgb(78, 129, 249) |
| HSL | hsl(222, 93%, 64%) |
| OKLCH | oklch(63% 0.188 264.4) |
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 #4E81F9 | 3.60:1 | AA large text | Lc -68.7 | Content text, not long reading |
| Black text on #4E81F9 | 5.83:1 | AA | Lc 40.9 | Non-text elements, placeholder text |
| #4E81F9 text on white | 3.60:1 | AA large text | Lc 63.2 | Content text, not long reading |
| #4E81F9 text on black | 5.83:1 | AA | Lc -38.5 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C8D9FC
oklch(88.4% 0.052 264.8)
-
Step 300
300
#A3C0FD
oklch(80.9% 0.092 264.7)
-
Step 400
400
#729DFC
oklch(70.7% 0.147 264.5)
-
Step 500
500 (this color)
#4E81F9
oklch(63% 0.188 264.4)
-
Step 600
600
#3467E8
oklch(55.6% 0.203 264.4)
-
Step 700
700
#2754CA
oklch(49% 0.19 264.4)
-
Step 800
800
#2146A3
oklch(42.7% 0.157 264.3)
-
Step 900
900
#1F3C81
oklch(37.6% 0.122 264.2)
-
Step 950
950
#13244C
oklch(27.1% 0.077 264.5)
#4E81F9 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) | #3E8FFD | 0.035 |
| Deuteranopia (no green cones) | #037FF7 | 0.041 |
| Tritanopia (no blue cones) | #009DB1 | 0.152 |
| Achromatopsia (no color) | #878787 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E81F9
#4E81F9
oklch(63% 0.188 264.4)
- #AD8100
#AD8100
oklch(62.9% 0.129 84.4)
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 #4E81F9, closest first.
No curated palette has a color within ΔE 0.04 of #4E81F9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.033
- Clear Blue #247AFD ΔE 0.038
- Soft Blue #6488EA ΔE 0.039
- Dodger Blue #1E90FF ΔE 0.043
- Dark Sky Blue #448EE4 ΔE 0.050
- Chefchaouen Blue #4895EF ΔE 0.056
- Cornflower Blue #6495ED ΔE 0.065
- Royal Blue #4169E1 ΔE 0.071
Use #4E81F9 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.