#4388D3#4388D3

#4388D3 is a mid, vivid cyan. Relative luminance 0.235; OKLCH L 61.7% C 0.134 H 252.5°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#4388D3
RGB	rgb(67, 136, 211)
HSL	hsl(211, 62%, 55%)
HSV	hsv(211, 68%, 83%)
CMYK	cmyk(68.2%, 35.5%, 0%, 17.3%)
CIE-LAB	lab(55.59, 2.44, -44.93)
CIE-LCH	lch(55.59, 45.00, 273.11°)
OKLab	oklab(61.71% -0.0403 -0.1276)
OKLCH	oklch(61.71% 0.134 252.5)
XYZ	xyz(22.8724, 23.5024, 64.9464)
Luminance	0.2351 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4388D3 #D38E43

analogous

#43D0D3 #4388D3 #4643D3

triadic

#4388D3 #D34388 #88D343

tetradic

#4388D3 #D343D0 #D38E43 #43D346

square

#4388D3 #D343D0 #D38E43 #43D346

split-complementary

#4388D3 #D34643 #D0D343

monochromatic

#1E4C7E #296AB0 #4388D3 #75A7DF #A6C7EA

Accessibility & contrast

On white

3.68

#4388D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#4388D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4388D3

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4388D3	#FFFFFF	#000000	##000000
##4388D3	1.00	3.68	5.70	5.70
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.70	21.00	1.00	1.00
##000000	5.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#668DD6

Deuteranopia (green-blind)

#527FD2

Tritanopia (blue-blind)

#009AA3

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4388d3;
/* rgb */ color: rgb(67, 136, 211);
/* oklch */ color: oklch(61.7% 0.134 252.5);

Tailwind

colors: {
  custom: {
    50: '#87aae1',
    500: '#4388d3',
    950: '#000000',
  },
}

SCSS

$custom: #4388d3;
$custom-light: #87aae1;
$custom-dark: #000000;

JSON

{
  "hex": "#4388d3",
  "rgb": {
    "r": 67,
    "g": 136,
    "b": 211
  },
  "hsl": {
    "h": 211.25,
    "s": 62.069,
    "l": 54.51
  },
  "oklch": {
    "l": 0.61709,
    "c": 0.13383,
    "h": 252.5
  },
  "luminance": 0.23505
}

Semantic roles & 50–950 ramp

primary

#4388D3

secondary

#D7BA9A

accent

#9743E5

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4388D3

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

Preview Lab → · Contrast checker → · Palette generator →