#64AED8
Closest named color: Greyblue (#77A1B5). oklch(71.9% 0.096 235.1), rgb(100, 174, 216).
Aa
Black text reads best on this color (8.58:1).
About this color
#64AED8 is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.096 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.054 away. Black text reads best on it, at 8.58:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.58:1 |
| White text | 2.44:1 |
Values
| HEX | #64AED8 |
| RGB | rgb(100, 174, 216) |
| HSL | hsl(202, 60%, 62%) |
| OKLCH | oklch(71.9% 0.096 235.1) |
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 #64AED8 | 2.44:1 | Fails | Lc -53.0 | Large or bold text, headings |
| Black text on #64AED8 | 8.58:1 | AAA | Lc 56.0 | Large or bold text, headings |
| #64AED8 text on white | 2.44:1 | Fails | Lc 48.0 | Large or bold text, headings |
| #64AED8 text on black | 8.58:1 | AAA | Lc -54.1 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#DFECF4
oklch(93.6% 0.018 234.5)
-
Step 200
200
#C5DDEC
oklch(88.4% 0.033 235.2)
-
Step 300
300
#9BC8E2
oklch(81% 0.06 233.8)
-
Step 400
400 (this color)
#64AED8
oklch(71.9% 0.096 235.1)
-
Step 500
500
#2594C9
oklch(63.1% 0.123 235.2)
-
Step 600
600
#007DAE
oklch(55.7% 0.118 234.9)
-
Step 700
700
#006993
oklch(49.2% 0.104 234.9)
-
Step 800
800
#005679
oklch(42.8% 0.09 234.7)
-
Step 900
900
#004766
oklch(37.6% 0.081 235.8)
-
Step 950
950
#072A3C
oklch(27% 0.051 235.9)
#64AED8 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) | #9AADDA | 0.060 |
| Deuteranopia (no green cones) | #8AA0D7 | 0.052 |
| Tritanopia (no blue cones) | #0FB9BC | 0.074 |
| Achromatopsia (no color) | #A6A6A6 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64AED8
#64AED8
oklch(71.9% 0.096 235.1)
- #D39469
#D39469
oklch(71.9% 0.096 54.9)
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 #64AED8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.054
- Turquoise Blue #06B1C4 ΔE 0.059
- Bluegrey #85A3B2 ΔE 0.060
- Bluey Grey #89A0B0 ΔE 0.066
- Deep Sky Blue #00BFFF ΔE 0.068
- Cool Steel #97A7B3 ΔE 0.071
- Vivid Sky Blue #4CC9F0 ΔE 0.072
- Carolina Blue #8AB8FE ΔE 0.074
Use #64AED8 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.