#64A2CE
Closest named color: Greyblue (#77A1B5). oklch(68.8% 0.091 240.8), rgb(100, 162, 206).
Aa
Black text reads best on this color (7.60:1).
About this color
#64A2CE is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.091 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.040 away. Black text reads best on it, at 7.60:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.60:1 |
| White text | 2.76:1 |
Values
| HEX | #64A2CE |
| RGB | rgb(100, 162, 206) |
| HSL | hsl(205, 52%, 60%) |
| OKLCH | oklch(68.8% 0.091 240.8) |
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 #64A2CE | 2.76:1 | Fails | Lc -58.4 | Large or bold text, headings |
| Black text on #64A2CE | 7.60:1 | AAA | Lc 50.8 | Large or bold text, headings |
| #64A2CE text on white | 2.76:1 | Fails | Lc 53.2 | Large or bold text, headings |
| #64A2CE text on black | 7.60:1 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1ECF4
oklch(93.7% 0.016 239.1)
-
Step 200
200
#C7DCED
oklch(88.4% 0.033 242.4)
-
Step 300
300
#A0C6E3
oklch(80.9% 0.058 241.3)
-
Step 400
400 (this color)
#64A2CE
oklch(68.8% 0.091 240.8)
-
Step 500
500
#3C91C9
oklch(63% 0.117 241.1)
-
Step 600
600
#087BB6
oklch(55.7% 0.127 240.7)
-
Step 700
700
#00679B
oklch(49.1% 0.115 241)
-
Step 800
800
#03547F
oklch(42.6% 0.098 241.1)
-
Step 900
900
#124666
oklch(37.7% 0.076 240.7)
-
Step 950
950
#0D293C
oklch(27% 0.049 241.5)
#64A2CE 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) | #8FA2D0 | 0.050 |
| Deuteranopia (no green cones) | #8097CD | 0.040 |
| Tritanopia (no blue cones) | #29ADB1 | 0.074 |
| Achromatopsia (no color) | #9B9B9B | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64A2CE
#64A2CE
oklch(68.8% 0.091 240.8)
- #C48D5F
#C48D5F
oklch(68.7% 0.091 60.4)
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 #64A2CE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.040
- Bluegrey #85A3B2 ΔE 0.054
- Bluey Grey #89A0B0 ΔE 0.057
- Faded Blue #658CBB ΔE 0.061
- Cool Gray #8D99AE ΔE 0.061
- Turquoise Blue #06B1C4 ΔE 0.065
- Cornflower Blue #6495ED ΔE 0.066
- Silver Lake Blue #778DA9 ΔE 0.068
Use #64A2CE 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.