#64A0DF
Closest named color: Cornflower Blue (#6495ED). oklch(69.1% 0.113 250.8), rgb(100, 160, 223).
Aa
Black text reads best on this color (7.63:1).
About this color
#64A0DF is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.113 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.040 away. Black text reads best on it, at 7.63:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.63:1 |
| White text | 2.75:1 |
Values
| HEX | #64A0DF |
| RGB | rgb(100, 160, 223) |
| HSL | hsl(211, 66%, 63%) |
| OKLCH | oklch(69.1% 0.113 250.8) |
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 #64A0DF | 2.75:1 | Fails | Lc -58.2 | Large or bold text, headings |
| Black text on #64A0DF | 7.63:1 | AAA | Lc 51.0 | Large or bold text, headings |
| #64A0DF text on white | 2.75:1 | Fails | Lc 53.0 | Large or bold text, headings |
| #64A0DF text on black | 7.63:1 | AAA | Lc -48.9 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF7
oklch(93.5% 0.02 250.4)
-
Step 200
200
#C7DCF3
oklch(88.6% 0.039 250.7)
-
Step 300
300
#9FC5ED
oklch(81% 0.07 250)
-
Step 400
400 (this color)
#64A0DF
oklch(69.1% 0.113 250.8)
-
Step 500
500
#3C8DDD
oklch(63.2% 0.144 251)
-
Step 600
600
#0D75CA
oklch(55.5% 0.156 250.9)
-
Step 700
700
#0062AD
oklch(49.1% 0.142 250.8)
-
Step 800
800
#05508E
oklch(42.6% 0.121 251.1)
-
Step 900
900
#124371
oklch(37.6% 0.094 250.8)
-
Step 950
950
#0D2842
oklch(27.1% 0.059 250.2)
#64A0DF 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) | #86A3E2 | 0.040 |
| Deuteranopia (no green cones) | #7696DE | 0.031 |
| Tritanopia (no blue cones) | #04AFB6 | 0.099 |
| Achromatopsia (no color) | #9C9C9C | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64A0DF
#64A0DF
oklch(69.1% 0.113 250.8)
- #C78F46
#C78F46
oklch(69.1% 0.112 71.2)
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 #64A0DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.040
- Chefchaouen Blue #4895EF ΔE 0.051
- Dark Sky Blue #448EE4 ΔE 0.063
- Greyblue #77A1B5 ΔE 0.066
- Faded Blue #658CBB ΔE 0.068
- Soft Blue #6488EA ΔE 0.070
- Periwinkle Blue #8F99FB ΔE 0.071
- Perrywinkle #8F8CE7 ΔE 0.073
Use #64A0DF 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.