#4381C9#4381C9

#4381C9 is a mid, vivid cyan. Relative luminance 0.211; OKLCH L 59.6% C 0.128 H 253.7°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#4381C9
RGB	rgb(67, 129, 201)
HSL	hsl(212, 55%, 53%)
HSV	hsv(212, 67%, 79%)
CMYK	cmyk(66.7%, 35.8%, 0%, 21.2%)
CIE-LAB	lab(53.07, 3.13, -43.26)
CIE-LCH	lch(53.07, 43.37, 274.15°)
OKLab	oklab(59.57% -0.036 -0.1228)
OKLCH	oklch(59.57% 0.128 253.7)
XYZ	xyz(20.7038, 21.1088, 58.2303)
Luminance	0.2111 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4381C9 #C98B43

analogous

#43C4C9 #4381C9 #4843C9

triadic

#4381C9 #C94381 #81C943

tetradic

#4381C9 #C943C4 #C98B43 #43C948

square

#4381C9 #C943C4 #C98B43 #43C948

split-complementary

#4381C9 #C94843 #C4C943

monochromatic

#204671 #2E63A1 #4381C9 #73A1D7 #A2C1E4

Accessibility & contrast

On white

4.02

#4381C9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#4381C9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4381C9

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4381C9	#FFFFFF	#000000	##000000
##4381C9	1.00	4.02	5.22	5.22
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6186CC

Deuteranopia (green-blind)

#4E79C8

Tritanopia (blue-blind)

#00929B

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4381c9;
/* rgb */ color: rgb(67, 129, 201);
/* oklch */ color: oklch(59.6% 0.128 253.7);

Tailwind

colors: {
  custom: {
    50: '#85a5da',
    500: '#4381c9',
    950: '#000000',
  },
}

SCSS

$custom: #4381c9;
$custom-light: #85a5da;
$custom-dark: #000000;

JSON

{
  "hex": "#4381c9",
  "rgb": {
    "r": 67,
    "g": 129,
    "b": 201
  },
  "hsl": {
    "h": 212.239,
    "s": 55.372,
    "l": 52.549
  },
  "oklch": {
    "l": 0.59573,
    "c": 0.12797,
    "h": 253.7
  },
  "luminance": 0.21111
}

Semantic roles & 50–950 ramp

primary

#4381C9

secondary

#D1B697

accent

#9949DF

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4381C9

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

Preview Lab → · Contrast checker → · Palette generator →