#4389CB#4389CB

#4389CB is a mid, vivid cyan. Relative luminance 0.234; OKLCH L 61.5% C 0.123 H 249.3°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#4389CB
RGB	rgb(67, 137, 203)
HSL	hsl(209, 57%, 53%)
HSV	hsv(209, 67%, 80%)
CMYK	cmyk(67%, 32.5%, 0%, 20.4%)
CIE-LAB	lab(55.48, -0.92, -40.59)
CIE-LCH	lch(55.48, 40.60, 268.70°)
OKLab	oklab(61.49% -0.0435 -0.1149)
OKLCH	oklch(61.49% 0.123 249.3)
XYZ	xyz(22.0359, 23.3941, 59.8425)
Luminance	0.2340 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4389CB #CB8543

analogous

#43CBC9 #4389CB #4345CB

triadic

#4389CB #CB4389 #89CB43

tetradic

#4389CB #C943CB #CB8543 #45CB43

square

#4389CB #C943CB #CB8543 #45CB43

split-complementary

#4389CB #CB4345 #CBC943

monochromatic

#204B74 #2D6AA4 #4389CB #73A7D8 #A3C5E6

Accessibility & contrast

On white

3.70

#4389CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.68

#4389CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4389CB

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4389CB	#FFFFFF	#000000	##000000
##4389CB	1.00	3.70	5.68	5.68
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.68	21.00	1.00	1.00
##000000	5.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C8CCE

Deuteranopia (green-blind)

#597FCA

Tritanopia (blue-blind)

#0099A1

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4389cb;
/* rgb */ color: rgb(67, 137, 203);
/* oklch */ color: oklch(61.5% 0.123 249.3);

Tailwind

colors: {
  custom: {
    50: '#85abdb',
    500: '#4389cb',
    950: '#000000',
  },
}

SCSS

$custom: #4389cb;
$custom-light: #85abdb;
$custom-dark: #000000;

JSON

{
  "hex": "#4389cb",
  "rgb": {
    "r": 67,
    "g": 137,
    "b": 203
  },
  "hsl": {
    "h": 209.118,
    "s": 56.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.61492,
    "c": 0.12287,
    "h": 249.3
  },
  "luminance": 0.23396
}

Semantic roles & 50–950 ramp

primary

#4389CB

secondary

#D2B498

accent

#9248E0

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4389CB

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

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