#4391CB#4391CB

#4391CB is a light, moderate cyan. Relative luminance 0.258; OKLCH L 63.3% C 0.116 H 243.7°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#4391CB
RGB	rgb(67, 145, 203)
HSL	hsl(206, 57%, 53%)
HSV	hsv(206, 67%, 80%)
CMYK	cmyk(67%, 28.6%, 0%, 20.4%)
CIE-LAB	lab(57.80, -5.57, -36.94)
CIE-LCH	lch(57.80, 37.35, 261.43°)
OKLab	oklab(63.33% -0.0515 -0.1042)
OKLCH	oklch(63.33% 0.116 243.7)
XYZ	xyz(23.2155, 25.7534, 60.2358)
Luminance	0.2576 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4391CB #CB7D43

analogous

#43CBC1 #4391CB #434DCB

triadic

#4391CB #CB4391 #91CB43

tetradic

#4391CB #C143CB #CB7D43 #4DCB43

square

#4391CB #C143CB #CB7D43 #4DCB43

split-complementary

#4391CB #CB434D #CBC143

monochromatic

#205074 #2D71A4 #4391CB #73ADD8 #A3C9E6

Accessibility & contrast

On white

3.41

#4391CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.15

#4391CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4391CB

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4391CB	#FFFFFF	#000000	##000000
##4391CB	1.00	3.41	6.15	6.15
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.15	21.00	1.00	1.00
##000000	6.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7792CE

Deuteranopia (green-blind)

#6485CA

Tritanopia (blue-blind)

#009FA5

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4391cb;
/* rgb */ color: rgb(67, 145, 203);
/* oklch */ color: oklch(63.3% 0.116 243.7);

Tailwind

colors: {
  custom: {
    50: '#85b1db',
    500: '#4391cb',
    950: '#000000',
  },
}

SCSS

$custom: #4391cb;
$custom-light: #85b1db;
$custom-dark: #000000;

JSON

{
  "hex": "#4391cb",
  "rgb": {
    "r": 67,
    "g": 145,
    "b": 203
  },
  "hsl": {
    "h": 205.588,
    "s": 56.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.63325,
    "c": 0.11628,
    "h": 243.7
  },
  "luminance": 0.25756
}

Semantic roles & 50–950 ramp

primary

#4391CB

secondary

#D2B198

accent

#8948E0

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4391CB

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

Preview Lab → · Contrast checker → · Palette generator →