#5E90FB
Closest named color: Cornflower Blue (#6495ED). oklch(66.9% 0.168 263.6), rgb(94, 144, 251).
Aa
Black text reads best on this color (6.85:1).
About this color
#5E90FB is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.168 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.028 away. Black text reads best on it, at 6.85:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.168) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.85:1 |
| White text | 3.06:1 |
Values
| HEX | #5E90FB |
| RGB | rgb(94, 144, 251) |
| HSL | hsl(221, 95%, 68%) |
| OKLCH | oklch(66.9% 0.168 263.6) |
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 #5E90FB | 3.06:1 | AA large text | Lc -62.6 | Content text, not long reading |
| Black text on #5E90FB | 6.85:1 | AA | Lc 46.8 | Large or bold text, headings |
| #5E90FB text on white | 3.06:1 | AA large text | Lc 57.2 | Large or bold text, headings |
| #5E90FB text on black | 6.85:1 | AA | Lc -44.5 | 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 400.
-
Step 50
50
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E0EAFF
oklch(93.6% 0.03 265.3)
-
Step 200
200
#C6DAFF
oklch(88.5% 0.056 262.8)
-
Step 300
300
#A1C0FF
oklch(80.8% 0.096 264.1)
-
Step 400
400 (this color)
#5E90FB
oklch(66.9% 0.168 263.6)
-
Step 500
500
#4881FF
oklch(63.2% 0.197 263.5)
-
Step 600
600
#2562F8
oklch(55.5% 0.233 263.7)
-
Step 700
700
#1950D9
oklch(49.2% 0.217 263.6)
-
Step 800
800
#1643AF
oklch(42.8% 0.179 263.5)
-
Step 900
900
#183A8A
oklch(37.7% 0.139 263.6)
-
Step 950
950
#0F2351
oklch(27.1% 0.088 263.8)
#5E90FB 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) | #5E9BFF | 0.028 |
| Deuteranopia (no green cones) | #468DF9 | 0.025 |
| Tritanopia (no blue cones) | #00A8B9 | 0.141 |
| Achromatopsia (no color) | #939393 | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E90FB
#5E90FB
oklch(66.9% 0.168 263.6)
- #BD8C00
#BD8C00
oklch(66.9% 0.138 83.6)
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 #5E90FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.028
- Soft Blue #6488EA ΔE 0.030
- Chefchaouen Blue #4895EF ΔE 0.030
- Dodger Blue #1E90FF ΔE 0.043
- Dark Sky Blue #448EE4 ΔE 0.043
- Lavender Blue #8B88F8 ΔE 0.055
- Cornflower #6A79F7 ΔE 0.056
- Perrywinkle #8F8CE7 ΔE 0.064
Use #5E90FB 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.