#439BCB#439BCB

#439BCB is a light, moderate cyan. Relative luminance 0.289; OKLCH L 65.6% C 0.110 H 235.8°. Best body text is #000000 at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#439BCB
RGB	rgb(67, 155, 203)
HSL	hsl(201, 57%, 53%)
HSV	hsv(201, 67%, 80%)
CMYK	cmyk(67%, 23.6%, 0%, 20.4%)
CIE-LAB	lab(60.73, -11.19, -32.37)
CIE-LCH	lch(60.73, 34.25, 250.92°)
OKLab	oklab(65.65% -0.0617 -0.0909)
OKLCH	oklch(65.65% 0.11 235.8)
XYZ	xyz(24.8114, 28.9451, 60.7677)
Luminance	0.2895 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#439BCB #CB7343

analogous

#43CBB7 #439BCB #4357CB

triadic

#439BCB #CB439B #9BCB43

tetradic

#439BCB #B743CB #CB7343 #57CB43

square

#439BCB #B743CB #CB7343 #57CB43

split-complementary

#439BCB #CB4357 #CBB743

monochromatic

#205674 #2D7AA4 #439BCB #73B5D8 #A3CEE6

Accessibility & contrast

On white

3.09

#439BCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.79

#439BCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #439BCB

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##439BCB	#FFFFFF	#000000	##000000
##439BCB	1.00	3.09	6.79	6.79
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.79	21.00	1.00	1.00
##000000	6.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#849ACD

Deuteranopia (green-blind)

#718DCA

Tritanopia (blue-blind)

#00A7AB

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #439bcb;
/* rgb */ color: rgb(67, 155, 203);
/* oklch */ color: oklch(65.6% 0.110 235.8);

Tailwind

colors: {
  custom: {
    50: '#86b8db',
    500: '#439bcb',
    950: '#000000',
  },
}

SCSS

$custom: #439bcb;
$custom-light: #86b8db;
$custom-dark: #000000;

JSON

{
  "hex": "#439bcb",
  "rgb": {
    "r": 67,
    "g": 155,
    "b": 203
  },
  "hsl": {
    "h": 201.176,
    "s": 56.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.65648,
    "c": 0.1099,
    "h": 235.8
  },
  "luminance": 0.28948
}

Semantic roles & 50–950 ramp

primary

#439BCB

secondary

#D2AC98

accent

#7E48E0

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #439BCB

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

Preview Lab → · Contrast checker → · Palette generator →