#399ABC#399ABC

#399ABC is a light, moderate cyan. Relative luminance 0.276; OKLCH L 64.4% C 0.102 H 225.2°. Best body text is #000000 at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#399ABC
RGB	rgb(57, 154, 188)
HSL	hsl(196, 53%, 48%)
HSV	hsv(196, 70%, 74%)
CMYK	cmyk(69.7%, 18.1%, 0%, 26.3%)
CIE-LAB	lab(59.53, -17.12, -25.82)
CIE-LCH	lch(59.53, 30.98, 236.45°)
OKLab	oklab(64.41% -0.0718 -0.0722)
OKLCH	oklch(64.41% 0.102 225.2)
XYZ	xyz(22.3164, 27.6094, 51.7202)
Luminance	0.2761 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399ABC #BC5B39

analogous

#39BC9D #399ABC #3958BC

triadic

#399ABC #BC399A #9ABC39

tetradic

#399ABC #9D39BC #BC5B39 #58BC39

square

#399ABC #9D39BC #BC5B39 #58BC39

split-complementary

#399ABC #BC3958 #BC9D39

monochromatic

#1D4D5E #2B748D #399ABC #63B3D0 #92CADE

Accessibility & contrast

On white

3.22

#399ABC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.52

#399ABC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399ABC

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399ABC	#FFFFFF	#000000	##000000
##399ABC	1.00	3.22	6.52	6.52
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.52	21.00	1.00	1.00
##000000	6.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8797BE

Deuteranopia (green-blind)

#758ABC

Tritanopia (blue-blind)

#00A4A5

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #399abc;
/* rgb */ color: rgb(57, 154, 188);
/* oklch */ color: oklch(64.4% 0.102 225.2);

Tailwind

colors: {
  custom: {
    50: '#80b7d0',
    500: '#399abc',
    950: '#000000',
  },
}

SCSS

$custom: #399abc;
$custom-light: #80b7d0;
$custom-dark: #000000;

JSON

{
  "hex": "#399abc",
  "rgb": {
    "r": 57,
    "g": 154,
    "b": 188
  },
  "hsl": {
    "h": 195.573,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.64408,
    "c": 0.10182,
    "h": 225.2
  },
  "luminance": 0.27612
}

Semantic roles & 50–950 ramp

primary

#399ABC

secondary

#C99988

accent

#714BDD

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #399ABC

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

Preview Lab → · Contrast checker → · Palette generator →