#4390CF#4390CF

#4390CF is a light, vivid cyan. Relative luminance 0.256; OKLCH L 63.3% C 0.122 H 246.1°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#4390CF
RGB	rgb(67, 144, 207)
HSL	hsl(207, 59%, 54%)
HSV	hsv(207, 68%, 81%)
CMYK	cmyk(67.6%, 30.4%, 0%, 18.8%)
CIE-LAB	lab(57.70, -3.63, -39.35)
CIE-LCH	lch(57.70, 39.52, 264.73°)
OKLab	oklab(63.3% -0.0493 -0.1113)
OKLCH	oklch(63.3% 0.122 246.1)
XYZ	xyz(23.5462, 25.6423, 62.7279)
Luminance	0.2565 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4390CF #CF8243

analogous

#43CFC8 #4390CF #434ACF

triadic

#4390CF #CF4390 #90CF43

tetradic

#4390CF #C843CF #CF8243 #4ACF43

square

#4390CF #C843CF #CF8243 #4ACF43

split-complementary

#4390CF #CF434A #CFC843

monochromatic

#1F5079 #2B71AA #4390CF #74ADDB #A5CAE8

Accessibility & contrast

On white

3.43

#4390CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#4390CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4390CF

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4390CF	#FFFFFF	#000000	##000000
##4390CF	1.00	3.43	6.13	6.13
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7492D2

Deuteranopia (green-blind)

#6185CE

Tritanopia (blue-blind)

#009FA6

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4390cf;
/* rgb */ color: rgb(67, 144, 207);
/* oklch */ color: oklch(63.3% 0.122 246.1);

Tailwind

colors: {
  custom: {
    50: '#86b0de',
    500: '#4390cf',
    950: '#000000',
  },
}

SCSS

$custom: #4390cf;
$custom-light: #86b0de;
$custom-dark: #000000;

JSON

{
  "hex": "#4390cf",
  "rgb": {
    "r": 67,
    "g": 144,
    "b": 207
  },
  "hsl": {
    "h": 207,
    "s": 59.322,
    "l": 53.725
  },
  "oklch": {
    "l": 0.63302,
    "c": 0.1217,
    "h": 246.1
  },
  "luminance": 0.25645
}

Semantic roles & 50–950 ramp

primary

#4390CF

secondary

#D5B499

accent

#8C45E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4390CF

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

Preview Lab → · Contrast checker → · Palette generator →