#4389CC#4389CC

#4389CC is a mid, vivid cyan. Relative luminance 0.234; OKLCH L 61.5% C 0.124 H 249.6°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#4389CC
RGB	rgb(67, 137, 204)
HSL	hsl(209, 57%, 53%)
HSV	hsv(209, 67%, 80%)
CMYK	cmyk(67.2%, 32.8%, 0%, 20%)
CIE-LAB	lab(55.52, -0.58, -41.08)
CIE-LCH	lch(55.52, 41.08, 269.19°)
OKLab	oklab(61.55% -0.0432 -0.1164)
OKLCH	oklch(61.55% 0.124 249.6)
XYZ	xyz(22.1554, 23.4419, 60.4722)
Luminance	0.2344 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4389CC #CC8643

analogous

#43CCCA #4389CC #4344CC

triadic

#4389CC #CC4389 #89CC43

tetradic

#4389CC #CA43CC #CC8643 #44CC43

square

#4389CC #CA43CC #CC8643 #44CC43

split-complementary

#4389CC #CC4344 #CCCA43

monochromatic

#204B75 #2D6AA5 #4389CC #73A7D9 #A3C5E6

Accessibility & contrast

On white

3.69

#4389CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#4389CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4389CC

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4389CC	#FFFFFF	#000000	##000000
##4389CC	1.00	3.69	5.69	5.69
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.69	21.00	1.00	1.00
##000000	5.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B8CCF

Deuteranopia (green-blind)

#587FCB

Tritanopia (blue-blind)

#0099A1

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4389cc;
/* rgb */ color: rgb(67, 137, 204);
/* oklch */ color: oklch(61.5% 0.124 249.6);

Tailwind

colors: {
  custom: {
    50: '#85abdc',
    500: '#4389cc',
    950: '#000000',
  },
}

SCSS

$custom: #4389cc;
$custom-light: #85abdc;
$custom-dark: #000000;

JSON

{
  "hex": "#4389cc",
  "rgb": {
    "r": 67,
    "g": 137,
    "b": 204
  },
  "hsl": {
    "h": 209.343,
    "s": 57.322,
    "l": 53.137
  },
  "oklch": {
    "l": 0.61546,
    "c": 0.12411,
    "h": 249.6
  },
  "luminance": 0.23444
}

Semantic roles & 50–950 ramp

primary

#4389CC

secondary

#D3B598

accent

#9247E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4389CC

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

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