#4390CB#4390CB

#4390CB is a light, moderate cyan. Relative luminance 0.255; OKLCH L 63.1% C 0.117 H 244.4°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#4390CB
RGB	rgb(67, 144, 203)
HSL	hsl(206, 57%, 53%)
HSV	hsv(206, 67%, 80%)
CMYK	cmyk(67%, 29.1%, 0%, 20.4%)
CIE-LAB	lab(57.51, -4.99, -37.39)
CIE-LCH	lch(57.51, 37.73, 262.40°)
OKLab	oklab(63.1% -0.0505 -0.1056)
OKLCH	oklch(63.1% 0.117 244.4)
XYZ	xyz(23.0634, 25.4492, 60.1850)
Luminance	0.2545 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4390CB #CB7E43

analogous

#43CBC2 #4390CB #434CCB

triadic

#4390CB #CB4390 #90CB43

tetradic

#4390CB #C243CB #CB7E43 #4CCB43

square

#4390CB #C243CB #CB7E43 #4CCB43

split-complementary

#4390CB #CB434C #CBC243

monochromatic

#204F74 #2D70A4 #4390CB #73ACD8 #A3C9E6

Accessibility & contrast

On white

3.45

#4390CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#4390CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4390CB

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4390CB	#FFFFFF	#000000	##000000
##4390CB	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7691CE

Deuteranopia (green-blind)

#6384CA

Tritanopia (blue-blind)

#009EA5

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4390cb;
/* rgb */ color: rgb(67, 144, 203);
/* oklch */ color: oklch(63.1% 0.117 244.4);

Tailwind

colors: {
  custom: {
    50: '#85b0db',
    500: '#4390cb',
    950: '#000000',
  },
}

SCSS

$custom: #4390cb;
$custom-light: #85b0db;
$custom-dark: #000000;

JSON

{
  "hex": "#4390cb",
  "rgb": {
    "r": 67,
    "g": 144,
    "b": 203
  },
  "hsl": {
    "h": 206.029,
    "s": 56.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.63095,
    "c": 0.11704,
    "h": 244.4
  },
  "luminance": 0.25452
}

Semantic roles & 50–950 ramp

primary

#4390CB

secondary

#D2B198

accent

#8A48E0

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4390CB

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

Preview Lab → · Contrast checker → · Palette generator →