#4089D4#4089D4

#4089D4 is a mid, vivid cyan. Relative luminance 0.237; OKLCH L 61.9% C 0.135 H 251.4°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#4089D4
RGB	rgb(64, 137, 212)
HSL	hsl(210, 63%, 54%)
HSV	hsv(210, 70%, 83%)
CMYK	cmyk(69.8%, 35.4%, 0%, 16.9%)
CIE-LAB	lab(55.82, 1.74, -45.13)
CIE-LCH	lch(55.82, 45.17, 272.21°)
OKLab	oklab(61.88% -0.043 -0.1282)
OKLCH	oklch(61.88% 0.135 251.4)
XYZ	xyz(22.9393, 23.7323, 65.6464)
Luminance	0.2374 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4089D4 #D48B40

analogous

#40D3D4 #4089D4 #4140D4

triadic

#4089D4 #D44089 #89D440

tetradic

#4089D4 #D440D3 #D48B40 #40D441

square

#4089D4 #D440D3 #D48B40 #40D441

split-complementary

#4089D4 #D44140 #D3D440

monochromatic

#1C4C7D #276AAF #4089D4 #72A8DF #A4C7EA

Accessibility & contrast

On white

3.65

#4089D4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.75

#4089D4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4089D4

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4089D4	#FFFFFF	#000000	##000000
##4089D4	1.00	3.65	5.75	5.75
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.75	21.00	1.00	1.00
##000000	5.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#678DD7

Deuteranopia (green-blind)

#527FD3

Tritanopia (blue-blind)

#009BA4

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #4089d4;
/* rgb */ color: rgb(64, 137, 212);
/* oklch */ color: oklch(61.9% 0.135 251.4);

Tailwind

colors: {
  custom: {
    50: '#85abe1',
    500: '#4089d4',
    950: '#000000',
  },
}

SCSS

$custom: #4089d4;
$custom-light: #85abe1;
$custom-dark: #000000;

JSON

{
  "hex": "#4089d4",
  "rgb": {
    "r": 64,
    "g": 137,
    "b": 212
  },
  "hsl": {
    "h": 210.405,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.61878,
    "c": 0.13526,
    "h": 251.4
  },
  "luminance": 0.23735
}

Semantic roles & 50–950 ramp

primary

#4089D4

secondary

#D7B898

accent

#9542E6

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4089D4

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

Preview Lab → · Contrast checker → · Palette generator →