#4189CB#4189CB

#4189CB is a mid, vivid cyan. Relative luminance 0.233; OKLCH L 61.4% C 0.124 H 248.8°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#4189CB
RGB	rgb(65, 137, 203)
HSL	hsl(209, 57%, 53%)
HSV	hsv(209, 68%, 80%)
CMYK	cmyk(68%, 32.5%, 0%, 20.4%)
CIE-LAB	lab(55.41, -1.25, -40.71)
CIE-LCH	lch(55.41, 40.73, 268.25°)
OKLab	oklab(61.42% -0.0448 -0.1153)
OKLCH	oklch(61.42% 0.124 248.8)
XYZ	xyz(21.9011, 23.3246, 59.8362)
Luminance	0.2333 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4189CB #CB8341

analogous

#41CBC8 #4189CB #4144CB

triadic

#4189CB #CB4189 #89CB41

tetradic

#4189CB #C841CB #CB8341 #44CB41

square

#4189CB #C841CB #CB8341 #44CB41

split-complementary

#4189CB #CB4144 #CBC841

monochromatic

#1F4B72 #2C6AA2 #4189CB #71A7D8 #A1C5E5

Accessibility & contrast

On white

3.71

#4189CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#4189CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4189CB

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4189CB	#FFFFFF	#000000	##000000
##4189CB	1.00	3.71	5.67	5.67
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.67	21.00	1.00	1.00
##000000	5.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C8CCE

Deuteranopia (green-blind)

#587FCA

Tritanopia (blue-blind)

#0099A1

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4189cb;
/* rgb */ color: rgb(65, 137, 203);
/* oklch */ color: oklch(61.4% 0.124 248.8);

Tailwind

colors: {
  custom: {
    50: '#84abdb',
    500: '#4189cb',
    950: '#000000',
  },
}

SCSS

$custom: #4189cb;
$custom-light: #84abdb;
$custom-dark: #000000;

JSON

{
  "hex": "#4189cb",
  "rgb": {
    "r": 65,
    "g": 137,
    "b": 203
  },
  "hsl": {
    "h": 208.696,
    "s": 57.025,
    "l": 52.549
  },
  "oklch": {
    "l": 0.61417,
    "c": 0.1237,
    "h": 248.8
  },
  "luminance": 0.23327
}

Semantic roles & 50–950 ramp

primary

#4189CB

secondary

#D2B396

accent

#9148E0

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4189CB

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

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