#64B5ED#64B5ED

#64B5ED is a light, moderate cyan. Relative luminance 0.419; OKLCH L 74.4% C 0.114 H 240.8°. Best body text is #000000 at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#64B5ED
RGB	rgb(100, 181, 237)
HSL	hsl(205, 79%, 66%)
HSV	hsv(205, 58%, 93%)
CMYK	cmyk(57.8%, 23.6%, 0%, 7.1%)
CIE-LAB	lab(70.78, -8.77, -35.42)
CIE-LCH	lch(70.78, 36.49, 256.09°)
OKLab	oklab(74.4% -0.0555 -0.0992)
OKLCH	oklch(74.4% 0.114 240.8)
XYZ	xyz(37.0598, 41.8681, 86.2327)
Luminance	0.4187 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B5ED #ED9C64

analogous

#64EDE1 #64B5ED #6470ED

triadic

#64B5ED #ED64B5 #B5ED64

tetradic

#64B5ED #E164ED #ED9C64 #70ED64

square

#64B5ED #E164ED #ED9C64 #70ED64

split-complementary

#64B5ED #ED6470 #EDE164

monochromatic

#167BC0 #2D9BE7 #64B5ED #9BCFF3 #D2E9FA

Accessibility & contrast

On white

2.24

#64B5ED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.37

#64B5ED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B5ED

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B5ED	#FFFFFF	#000000	##000000
##64B5ED	1.00	2.24	9.37	9.37
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.37	21.00	1.00	1.00
##000000	9.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CB5F0

Deuteranopia (green-blind)

#89A7EC

Tritanopia (blue-blind)

#00C3C8

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #64b5ed;
/* rgb */ color: rgb(100, 181, 237);
/* oklch */ color: oklch(74.4% 0.114 240.8);

Tailwind

colors: {
  custom: {
    50: '#9acbf3',
    500: '#64b5ed',
    950: '#000000',
  },
}

SCSS

$custom: #64b5ed;
$custom-light: #9acbf3;
$custom-dark: #000000;

JSON

{
  "hex": "#64b5ed",
  "rgb": {
    "r": 100,
    "g": 181,
    "b": 237
  },
  "hsl": {
    "h": 204.526,
    "s": 79.191,
    "l": 66.078
  },
  "oklch": {
    "l": 0.74404,
    "c": 0.11371,
    "h": 240.8
  },
  "luminance": 0.41871
}

Semantic roles & 50–950 ramp

primary

#64B5ED

secondary

#EDD2C0

accent

#600ADB

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64B5ED

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →