#39A4EC#39A4EC

#39A4EC is a light, vivid cyan. Relative luminance 0.335; OKLCH L 69.1% C 0.143 H 242.8°. Best body text is #000000 at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#39A4EC
RGB	rgb(57, 164, 236)
HSL	hsl(204, 82%, 57%)
HSV	hsv(204, 76%, 93%)
CMYK	cmyk(75.8%, 30.5%, 0%, 7.5%)
CIE-LAB	lab(64.54, -6.37, -44.72)
CIE-LCH	lch(64.54, 45.17, 261.90°)
OKLab	oklab(69.07% -0.0652 -0.1267)
OKLCH	oklch(69.07% 0.143 242.8)
XYZ	xyz(30.0972, 33.4733, 84.2154)
Luminance	0.3348 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39A4EC #EC8139

analogous

#39ECDA #39A4EC #394BEC

triadic

#39A4EC #EC39A4 #A4EC39

tetradic

#39A4EC #DA39EC #EC8139 #4BEC39

square

#39A4EC #DA39EC #EC8139 #4BEC39

split-complementary

#39A4EC #EC394B #ECDA39

monochromatic

#0F639C #1487D4 #39A4EC #71BEF1 #A9D7F7

Accessibility & contrast

On white

2.73

#39A4EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.70

#39A4EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39A4EC

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39A4EC	#FFFFFF	#000000	##000000
##39A4EC	1.00	2.73	7.70	7.70
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.70	21.00	1.00	1.00
##000000	7.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83A6EF

Deuteranopia (green-blind)

#6A95EB

Tritanopia (blue-blind)

#00B6BD

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #39a4ec;
/* rgb */ color: rgb(57, 164, 236);
/* oklch */ color: oklch(69.1% 0.143 242.8);

Tailwind

colors: {
  custom: {
    50: '#88bef2',
    500: '#39a4ec',
    950: '#000000',
  },
}

SCSS

$custom: #39a4ec;
$custom-light: #88bef2;
$custom-dark: #000000;

JSON

{
  "hex": "#39a4ec",
  "rgb": {
    "r": 57,
    "g": 164,
    "b": 236
  },
  "hsl": {
    "h": 204.134,
    "s": 82.488,
    "l": 57.451
  },
  "oklch": {
    "l": 0.69073,
    "c": 0.14254,
    "h": 242.8
  },
  "luminance": 0.33477
}

Semantic roles & 50–950 ramp

primary

#39A4EC

secondary

#E5B99C

accent

#802FF9

background

#F9FBFE

surface

#F1F6FD

border

#CBD0D5

text

#0D1217

muted

#7E8185

Preview Lab

Preview with #39A4EC

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

Preview Lab → · Contrast checker → · Palette generator →