#4388DC#4388DC

#4388DC is a light, vivid cyan. Relative luminance 0.240; OKLCH L 62.2% C 0.145 H 254.8°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#4388DC
RGB	rgb(67, 136, 220)
HSL	hsl(213, 69%, 56%)
HSV	hsv(213, 70%, 86%)
CMYK	cmyk(69.5%, 38.2%, 0%, 13.7%)
CIE-LAB	lab(56.05, 5.59, -49.25)
CIE-LCH	lch(56.05, 49.56, 276.48°)
OKLab	oklab(62.23% -0.0381 -0.1403)
OKLCH	oklch(62.23% 0.145 254.8)
XYZ	xyz(24.0324, 23.9664, 71.0557)
Luminance	0.2397 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4388DC #DC9743

analogous

#43D5DC #4388DC #4B43DC

triadic

#4388DC #DC4388 #88DC43

tetradic

#4388DC #DC43D5 #DC9743 #43DC4B

square

#4388DC #DC43D5 #DC9743 #43DC4B

split-complementary

#4388DC #DC4B43 #D5DC43

monochromatic

#1A4D8B #2369BE #4388DC #77A9E6 #AAC9EF

Accessibility & contrast

On white

3.62

#4388DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.79

#4388DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4388DC

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4388DC	#FFFFFF	#000000	##000000
##4388DC	1.00	3.62	5.79	5.79
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.79	21.00	1.00	1.00
##000000	5.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#628EDF

Deuteranopia (green-blind)

#4A80DA

Tritanopia (blue-blind)

#009CA7

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #4388dc;
/* rgb */ color: rgb(67, 136, 220);
/* oklch */ color: oklch(62.2% 0.145 254.8);

Tailwind

colors: {
  custom: {
    50: '#88aae7',
    500: '#4388dc',
    950: '#000000',
  },
}

SCSS

$custom: #4388dc;
$custom-light: #88aae7;
$custom-dark: #000000;

JSON

{
  "hex": "#4388dc",
  "rgb": {
    "r": 67,
    "g": 136,
    "b": 220
  },
  "hsl": {
    "h": 212.941,
    "s": 68.61,
    "l": 56.275
  },
  "oklch": {
    "l": 0.62227,
    "c": 0.14533,
    "h": 254.8
  },
  "luminance": 0.23969
}

Semantic roles & 50–950 ramp

primary

#4388DC

secondary

#DDC09E

accent

#9C3CEB

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4388DC

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

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