#437CC0#437CC0

#437CC0 is a mid, vivid cyan. Relative luminance 0.194; OKLCH L 57.9% C 0.121 H 254.1°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#437CC0
RGB	rgb(67, 124, 192)
HSL	hsl(213, 50%, 51%)
HSV	hsv(213, 65%, 75%)
CMYK	cmyk(65.1%, 35.4%, 0%, 24.7%)
CIE-LAB	lab(51.17, 3.01, -41.13)
CIE-LCH	lch(51.17, 41.24, 274.19°)
OKLab	oklab(57.94% -0.0332 -0.1166)
OKLCH	oklch(57.94% 0.121 254.1)
XYZ	xyz(19.0334, 19.4125, 52.6029)
Luminance	0.1941 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437CC0 #C08743

analogous

#43BAC0 #437CC0 #4843C0

triadic

#437CC0 #C0437C #7CC043

tetradic

#437CC0 #C043BA #C08743 #43C048

square

#437CC0 #C043BA #C08743 #43C048

split-complementary

#437CC0 #C04843 #BAC043

monochromatic

#224166 #325F94 #437CC0 #719CCF #9FBCDF

Accessibility & contrast

On white

4.30

#437CC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#437CC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437CC0

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437CC0	#FFFFFF	#000000	##000000
##437CC0	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E80C3

Deuteranopia (green-blind)

#4D74BF

Tritanopia (blue-blind)

#008C95

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #437cc0;
/* rgb */ color: rgb(67, 124, 192);
/* oklch */ color: oklch(57.9% 0.121 254.1);

Tailwind

colors: {
  custom: {
    50: '#83a1d3',
    500: '#437cc0',
    950: '#000000',
  },
}

SCSS

$custom: #437cc0;
$custom-light: #83a1d3;
$custom-dark: #000000;

JSON

{
  "hex": "#437cc0",
  "rgb": {
    "r": 67,
    "g": 124,
    "b": 192
  },
  "hsl": {
    "h": 212.64,
    "s": 49.801,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57936,
    "c": 0.12129,
    "h": 254.1
  },
  "luminance": 0.19414
}

Semantic roles & 50–950 ramp

primary

#437CC0

secondary

#CBB294

accent

#9A4ED9

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #437CC0

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

Preview Lab → · Contrast checker → · Palette generator →