#4088D1#4088D1

#4088D1 is a mid, vivid cyan. Relative luminance 0.233; OKLCH L 61.5% C 0.132 H 251.1°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#4088D1
RGB	rgb(64, 136, 209)
HSL	hsl(210, 61%, 54%)
HSV	hsv(210, 69%, 82%)
CMYK	cmyk(69.4%, 34.9%, 0%, 18%)
CIE-LAB	lab(55.38, 1.28, -44.14)
CIE-LCH	lch(55.38, 44.16, 271.66°)
OKLab	oklab(61.48% -0.0429 -0.1253)
OKLCH	oklch(61.48% 0.132 251.1)
XYZ	xyz(22.4229, 23.2994, 63.6247)
Luminance	0.2330 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4088D1 #D18940

analogous

#40D0D1 #4088D1 #4040D1

triadic

#4088D1 #D14088 #88D140

tetradic

#4088D1 #D140D0 #D18940 #40D140

square

#4088D1 #D140D0 #D18940 #40D140

split-complementary

#4088D1 #D14040 #D0D140

monochromatic

#1D4B79 #2969AB #4088D1 #71A7DD #A3C5E9

Accessibility & contrast

On white

3.71

#4088D1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#4088D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4088D1

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4088D1	#FFFFFF	#000000	##000000
##4088D1	1.00	3.71	5.66	5.66
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.66	21.00	1.00	1.00
##000000	5.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#678CD4

Deuteranopia (green-blind)

#527ED0

Tritanopia (blue-blind)

#0099A3

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4088d1;
/* rgb */ color: rgb(64, 136, 209);
/* oklch */ color: oklch(61.5% 0.132 251.1);

Tailwind

colors: {
  custom: {
    50: '#85aadf',
    500: '#4088d1',
    950: '#000000',
  },
}

SCSS

$custom: #4088d1;
$custom-light: #85aadf;
$custom-dark: #000000;

JSON

{
  "hex": "#4088d1",
  "rgb": {
    "r": 64,
    "g": 136,
    "b": 209
  },
  "hsl": {
    "h": 210.207,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.61484,
    "c": 0.13247,
    "h": 251.1
  },
  "luminance": 0.23302
}

Semantic roles & 50–950 ramp

primary

#4088D1

secondary

#D5B797

accent

#9444E4

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4088D1

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

Preview Lab → · Contrast checker → · Palette generator →