#4381CF#4381CF

#4381CF is a mid, vivid cyan. Relative luminance 0.214; OKLCH L 59.9% C 0.136 H 255.3°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#4381CF
RGB	rgb(67, 129, 207)
HSL	hsl(213, 59%, 54%)
HSV	hsv(213, 68%, 81%)
CMYK	cmyk(67.6%, 37.7%, 0%, 18.8%)
CIE-LAB	lab(53.38, 5.23, -46.17)
CIE-LCH	lch(53.38, 46.46, 276.47°)
OKLab	oklab(59.92% -0.0345 -0.1313)
OKLCH	oklch(59.92% 0.136 255.3)
XYZ	xyz(21.4234, 21.3966, 62.0203)
Luminance	0.2140 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4381CF #CF9143

analogous

#43C7CF #4381CF #4B43CF

triadic

#4381CF #CF4381 #81CF43

tetradic

#4381CF #CF43C7 #CF9143 #43CF4B

square

#4381CF #CF43C7 #CF9143 #43CF4B

split-complementary

#4381CF #CF4B43 #C7CF43

monochromatic

#1F4779 #2B63AA #4381CF #74A2DB #A5C2E8

Accessibility & contrast

On white

3.98

#4381CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#4381CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4381CF

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4381CF	#FFFFFF	#000000	##000000
##4381CF	1.00	3.98	5.28	5.28
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E87D2

Deuteranopia (green-blind)

#497ACD

Tritanopia (blue-blind)

#00939E

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4381cf;
/* rgb */ color: rgb(67, 129, 207);
/* oklch */ color: oklch(59.9% 0.136 255.3);

Tailwind

colors: {
  custom: {
    50: '#86a5de',
    500: '#4381cf',
    950: '#000000',
  },
}

SCSS

$custom: #4381cf;
$custom-light: #86a5de;
$custom-dark: #000000;

JSON

{
  "hex": "#4381cf",
  "rgb": {
    "r": 67,
    "g": 129,
    "b": 207
  },
  "hsl": {
    "h": 213.429,
    "s": 59.322,
    "l": 53.725
  },
  "oklch": {
    "l": 0.59919,
    "c": 0.13578,
    "h": 255.3
  },
  "luminance": 0.21399
}

Semantic roles & 50–950 ramp

primary

#4381CF

secondary

#D5BA99

accent

#9D45E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4381CF

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

Preview Lab → · Contrast checker → · Palette generator →