#4089CC#4089CC

#4089CC is a mid, vivid cyan. Relative luminance 0.233; OKLCH L 61.4% C 0.125 H 248.9°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#4089CC
RGB	rgb(64, 137, 204)
HSL	hsl(209, 58%, 53%)
HSV	hsv(209, 69%, 80%)
CMYK	cmyk(68.6%, 32.8%, 0%, 20%)
CIE-LAB	lab(55.42, -1.06, -41.25)
CIE-LCH	lch(55.42, 41.27, 268.53°)
OKLab	oklab(61.43% -0.0452 -0.1169)
OKLCH	oklch(61.43% 0.125 248.9)
XYZ	xyz(21.9550, 23.3386, 60.4628)
Luminance	0.2334 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4089CC #CC8340

analogous

#40CCC9 #4089CC #4043CC

triadic

#4089CC #CC4089 #89CC40

tetradic

#4089CC #C940CC #CC8340 #43CC40

square

#4089CC #C940CC #CC8340 #43CC40

split-complementary

#4089CC #CC4043 #CCC940

monochromatic

#1F4B73 #2C6AA3 #4089CC #70A7D9 #A1C5E6

Accessibility & contrast

On white

3.70

#4089CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#4089CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4089CC

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4089CC	#FFFFFF	#000000	##000000
##4089CC	1.00	3.70	5.67	5.67
#FFFFFF	3.70	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)

#6B8CCF

Deuteranopia (green-blind)

#587FCB

Tritanopia (blue-blind)

#0099A1

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4089cc;
/* rgb */ color: rgb(64, 137, 204);
/* oklch */ color: oklch(61.4% 0.125 248.9);

Tailwind

colors: {
  custom: {
    50: '#84abdc',
    500: '#4089cc',
    950: '#000000',
  },
}

SCSS

$custom: #4089cc;
$custom-light: #84abdc;
$custom-dark: #000000;

JSON

{
  "hex": "#4089cc",
  "rgb": {
    "r": 64,
    "g": 137,
    "b": 204
  },
  "hsl": {
    "h": 208.714,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.61434,
    "c": 0.12533,
    "h": 248.9
  },
  "luminance": 0.23341
}

Semantic roles & 50–950 ramp

primary

#4089CC

secondary

#D2B395

accent

#9147E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4089CC

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

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