#5AA4FC
Closest named color: Cornflower Blue (#6495ED). oklch(71% 0.149 254.1), rgb(90, 164, 252).
Aa
Black text reads best on this color (8.15:1).
About this color
#5AA4FC is a medium-light, vivid blue. In OKLCH its lightness is 71%, its chroma 0.149 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.041 away. Black text reads best on it, at 8.15:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.149) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 8.15:1 |
| White text | 2.57:1 |
Values
| HEX | #5AA4FC |
| RGB | rgb(90, 164, 252) |
| HSL | hsl(213, 96%, 67%) |
| OKLCH | oklch(71% 0.149 254.1) |
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 #5AA4FC | 2.57:1 | Fails | Lc -55.2 | Large or bold text, headings |
| Black text on #5AA4FC | 8.15:1 | AAA | Lc 53.9 | Large or bold text, headings |
| #5AA4FC text on white | 2.57:1 | Fails | Lc 50.1 | Large or bold text, headings |
| #5AA4FC text on black | 8.15:1 | AAA | Lc -51.8 | Large or bold text, headings |
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
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DEEBFC
oklch(93.5% 0.027 255.1)
-
Step 200
200
#C2DCFB
oklch(88.5% 0.051 252.9)
-
Step 300
300
#97C4FC
oklch(80.9% 0.093 254.2)
-
Step 400
400 (this color)
#5AA4FC
oklch(71% 0.149 254.1)
-
Step 500
500
#1A89F8
oklch(63.2% 0.19 253.9)
-
Step 600
600
#0072D7
oklch(55.6% 0.177 254)
-
Step 700
700
#005FB6
oklch(49% 0.157 254.2)
-
Step 800
800
#004E97
oklch(42.8% 0.136 254.1)
-
Step 900
900
#00417F
oklch(37.8% 0.12 253.9)
-
Step 950
950
#04264B
oklch(26.9% 0.078 253.9)
#5AA4FC 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) | #7EAAFF | 0.042 |
| Deuteranopia (no green cones) | #679AFA | 0.027 |
| Tritanopia (no blue cones) | #00B8C4 | 0.119 |
| Achromatopsia (no color) | #A1A1A1 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5AA4FC
#5AA4FC
oklch(71% 0.149 254.1)
- #D89107
#D89107
oklch(71% 0.149 74)
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 #5AA4FC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.041
- Chefchaouen Blue #4895EF ΔE 0.047
- Periwinkle Blue #8F99FB ΔE 0.061
- Dark Sky Blue #448EE4 ΔE 0.070
- Dodger Blue #1E90FF ΔE 0.071
- Soft Blue #6488EA ΔE 0.073
- Deep Sky Blue #00BFFF ΔE 0.074
- Carolina Blue #8AB8FE ΔE 0.077
Use #5AA4FC 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.