#39A9F3#39A9F3

#39A9F3 is a light, vivid cyan. Relative luminance 0.357; OKLCH L 70.6% C 0.146 H 242.5°. Best body text is #000000 at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#39A9F3
RGB	rgb(57, 169, 243)
HSL	hsl(204, 89%, 59%)
HSV	hsv(204, 77%, 95%)
CMYK	cmyk(76.5%, 30.5%, 0%, 4.7%)
CIE-LAB	lab(66.30, -6.74, -45.79)
CIE-LCH	lch(66.30, 46.28, 261.63°)
OKLab	oklab(70.57% -0.0676 -0.1298)
OKLCH	oklch(70.57% 0.146 242.5)
XYZ	xyz(32.0467, 35.7130, 89.9810)
Luminance	0.3572 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39A9F3 #F38339

analogous

#39F3E0 #39A9F3 #394CF3

triadic

#39A9F3 #F339A9 #A9F339

tetradic

#39A9F3 #E039F3 #F38339 #4CF339

square

#39A9F3 #E039F3 #F38339 #4CF339

split-complementary

#39A9F3 #F3394C #F3E039

monochromatic

#0A69A7 #0E8DE1 #39A9F3 #73C2F6 #ACDBFA

Accessibility & contrast

On white

2.58

#39A9F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.14

#39A9F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39A9F3

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39A9F3	#FFFFFF	#000000	##000000
##39A9F3	1.00	2.58	8.14	8.14
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.14	21.00	1.00	1.00
##000000	8.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86ABF6

Deuteranopia (green-blind)

#6D99F2

Tritanopia (blue-blind)

#00BBC3

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #39a9f3;
/* rgb */ color: rgb(57, 169, 243);
/* oklch */ color: oklch(70.6% 0.146 242.5);

Tailwind

colors: {
  custom: {
    50: '#89c2f7',
    500: '#39a9f3',
    950: '#000000',
  },
}

SCSS

$custom: #39a9f3;
$custom-light: #89c2f7;
$custom-dark: #000000;

JSON

{
  "hex": "#39a9f3",
  "rgb": {
    "r": 57,
    "g": 169,
    "b": 243
  },
  "hsl": {
    "h": 203.871,
    "s": 88.571,
    "l": 58.824
  },
  "oklch": {
    "l": 0.7057,
    "c": 0.14633,
    "h": 242.5
  },
  "luminance": 0.35717
}

Semantic roles & 50–950 ramp

primary

#39A9F3

secondary

#E9BC9F

accent

#7E29FF

background

#F9FBFF

surface

#F2F7FF

border

#CCD0D7

text

#0D1217

muted

#7E8185

Preview Lab

Preview with #39A9F3

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

Preview Lab → · Contrast checker → · Palette generator →