#4387D5#4387D5

#4387D5 is a mid, vivid cyan. Relative luminance 0.233; OKLCH L 61.6% C 0.137 H 253.6°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#4387D5
RGB	rgb(67, 135, 213)
HSL	hsl(212, 63%, 55%)
HSV	hsv(212, 69%, 84%)
CMYK	cmyk(68.5%, 36.6%, 0%, 16.5%)
CIE-LAB	lab(55.40, 3.73, -46.35)
CIE-LCH	lch(55.40, 46.50, 274.61°)
OKLab	oklab(61.6% -0.0388 -0.1318)
OKLCH	oklch(61.6% 0.137 253.6)
XYZ	xyz(22.9845, 23.3229, 66.2283)
Luminance	0.2333 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4387D5 #D59143

analogous

#43D0D5 #4387D5 #4843D5

triadic

#4387D5 #D54387 #87D543

tetradic

#4387D5 #D543D0 #D59143 #43D548

square

#4387D5 #D543D0 #D59143 #43D548

split-complementary

#4387D5 #D54843 #D0D543

monochromatic

#1D4B81 #2869B3 #4387D5 #75A7E0 #A7C7EB

Accessibility & contrast

On white

3.71

#4387D5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#4387D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4387D5

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4387D5	#FFFFFF	#000000	##000000
##4387D5	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)

#648CD8

Deuteranopia (green-blind)

#4F7ED3

Tritanopia (blue-blind)

#0099A4

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4387d5;
/* rgb */ color: rgb(67, 135, 213);
/* oklch */ color: oklch(61.6% 0.137 253.6);

Tailwind

colors: {
  custom: {
    50: '#87a9e2',
    500: '#4387d5',
    950: '#000000',
  },
}

SCSS

$custom: #4387d5;
$custom-light: #87a9e2;
$custom-dark: #000000;

JSON

{
  "hex": "#4387d5",
  "rgb": {
    "r": 67,
    "g": 135,
    "b": 213
  },
  "hsl": {
    "h": 212.055,
    "s": 63.478,
    "l": 54.902
  },
  "oklch": {
    "l": 0.61599,
    "c": 0.13737,
    "h": 253.6
  },
  "luminance": 0.23325
}

Semantic roles & 50–950 ramp

primary

#4387D5

secondary

#D9BC9B

accent

#9A41E7

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0D0F15

muted

#7D7F83

Preview Lab

Preview with #4387D5

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

Preview Lab → · Contrast checker → · Palette generator →