#64A0DB
Closest named color: Cornflower Blue (#6495ED). oklch(68.9% 0.108 249.3), rgb(100, 160, 219).
Aa
Black text reads best on this color (7.59:1).
About this color
#64A0DB is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.108 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.045 away. Black text reads best on it, at 7.59:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.59:1 |
| White text | 2.76:1 |
Values
| HEX | #64A0DB |
| RGB | rgb(100, 160, 219) |
| HSL | hsl(210, 62%, 63%) |
| OKLCH | oklch(68.9% 0.108 249.3) |
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 #64A0DB | 2.76:1 | Fails | Lc -58.5 | Large or bold text, headings |
| Black text on #64A0DB | 7.59:1 | AAA | Lc 50.8 | Large or bold text, headings |
| #64A0DB text on white | 2.76:1 | Fails | Lc 53.2 | Large or bold text, headings |
| #64A0DB text on black | 7.59:1 | AAA | Lc -48.6 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0EBF7
oklch(93.5% 0.02 250.4)
-
Step 200
200
#C7DCF1
oklch(88.5% 0.037 248.2)
-
Step 300
300
#A0C5EB
oklch(81% 0.067 249.3)
-
Step 400
400 (this color)
#64A0DB
oklch(68.9% 0.108 249.3)
-
Step 500
500
#3C8ED8
oklch(63.1% 0.137 249)
-
Step 600
600
#0E76C6
oklch(55.5% 0.15 249.4)
-
Step 700
700
#0063AA
oklch(49.1% 0.137 249.4)
-
Step 800
800
#06518B
oklch(42.7% 0.116 249.5)
-
Step 900
900
#13446F
oklch(37.8% 0.09 249.2)
-
Step 950
950
#0D2841
oklch(27% 0.057 249.3)
#64A0DB 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) | #88A2DE | 0.042 |
| Deuteranopia (no green cones) | #7896DA | 0.032 |
| Tritanopia (no blue cones) | #13AEB4 | 0.094 |
| Achromatopsia (no color) | #9B9B9B | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64A0DB
#64A0DB
oklch(68.9% 0.108 249.3)
- #C68E4C
#C68E4C
oklch(68.8% 0.107 68.9)
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 #64A0DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.045
- Chefchaouen Blue #4895EF ΔE 0.054
- Greyblue #77A1B5 ΔE 0.060
- Faded Blue #658CBB ΔE 0.064
- Dark Sky Blue #448EE4 ΔE 0.065
- Bluegrey #85A3B2 ΔE 0.072
- Soft Blue #6488EA ΔE 0.073
- Bluey Grey #89A0B0 ΔE 0.074
Use #64A0DB 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.