#64A6EE
Closest named color: Cornflower Blue (#6495ED). oklch(71.2% 0.126 251.9), rgb(100, 166, 238).
Aa
Black text reads best on this color (8.23:1).
About this color
#64A6EE is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.126 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.046 away. Black text reads best on it, at 8.23:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 8.23:1 |
| White text | 2.55:1 |
Values
| HEX | #64A6EE |
| RGB | rgb(100, 166, 238) |
| HSL | hsl(211, 80%, 66%) |
| OKLCH | oklch(71.2% 0.126 251.9) |
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 #64A6EE | 2.55:1 | Fails | Lc -54.9 | Large or bold text, headings |
| Black text on #64A6EE | 8.23:1 | AAA | Lc 54.2 | Large or bold text, headings |
| #64A6EE text on white | 2.55:1 | Fails | Lc 49.8 | Large or bold text, headings |
| #64A6EE text on black | 8.23:1 | AAA | Lc -52.2 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DFEBF9
oklch(93.5% 0.023 252.2)
-
Step 200
200
#C5DCF6
oklch(88.6% 0.044 251.5)
-
Step 300
300
#9CC5F3
oklch(81% 0.079 251.7)
-
Step 400
400 (this color)
#64A6EE
oklch(71.2% 0.126 251.9)
-
Step 500
500
#308CE7
oklch(63.2% 0.161 251.9)
-
Step 600
600
#0074D0
oklch(55.6% 0.166 251.9)
-
Step 700
700
#0061B0
oklch(49% 0.147 252)
-
Step 800
800
#005091
oklch(42.8% 0.126 251.5)
-
Step 900
900
#094277
oklch(37.6% 0.106 252.2)
-
Step 950
950
#092746
oklch(26.9% 0.068 252.4)
#64A6EE 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) | #88A9F1 | 0.041 |
| Deuteranopia (no green cones) | #769CED | 0.030 |
| Tritanopia (no blue cones) | #00B7C0 | 0.106 |
| Achromatopsia (no color) | #A2A2A2 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64A6EE
#64A6EE
oklch(71.2% 0.126 251.9)
- #D2943D
#D2943D
oklch(71.2% 0.126 72.2)
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 #64A6EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.046
- Chefchaouen Blue #4895EF ΔE 0.056
- Periwinkle Blue #8F99FB ΔE 0.062
- Carolina Blue #8AB8FE ΔE 0.068
- Deep Sky Blue #00BFFF ΔE 0.071
- Dark Sky Blue #448EE4 ΔE 0.075
- Perrywinkle #8F8CE7 ΔE 0.078
- Soft Blue #6488EA ΔE 0.079
Use #64A6EE 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.