#437BC0#437BC0

#437BC0 is a mid, vivid cyan. Relative luminance 0.192; OKLCH L 57.7% C 0.122 H 254.7°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#437BC0
RGB	rgb(67, 123, 192)
HSL	hsl(213, 50%, 51%)
HSV	hsv(213, 65%, 75%)
CMYK	cmyk(65.1%, 35.9%, 0%, 24.7%)
CIE-LAB	lab(50.88, 3.62, -41.59)
CIE-LCH	lch(50.88, 41.74, 274.97°)
OKLab	oklab(57.71% -0.0322 -0.118)
OKLCH	oklch(57.71% 0.122 254.7)
XYZ	xyz(18.9087, 19.1631, 52.5613)
Luminance	0.1916 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437BC0 #C08843

analogous

#43B9C0 #437BC0 #4943C0

triadic

#437BC0 #C0437B #7BC043

tetradic

#437BC0 #C043B9 #C08843 #43C049

square

#437BC0 #C043B9 #C08843 #43C049

split-complementary

#437BC0 #C04943 #B9C043

monochromatic

#224166 #325E94 #437BC0 #719BCF #9FBBDF

Accessibility & contrast

On white

4.35

#437BC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#437BC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437BC0

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437BC0	#FFFFFF	#000000	##000000
##437BC0	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D80C3

Deuteranopia (green-blind)

#4B74BF

Tritanopia (blue-blind)

#008B94

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #437bc0;
/* rgb */ color: rgb(67, 123, 192);
/* oklch */ color: oklch(57.7% 0.122 254.7);

Tailwind

colors: {
  custom: {
    50: '#83a0d3',
    500: '#437bc0',
    950: '#000000',
  },
}

SCSS

$custom: #437bc0;
$custom-light: #83a0d3;
$custom-dark: #000000;

JSON

{
  "hex": "#437bc0",
  "rgb": {
    "r": 67,
    "g": 123,
    "b": 192
  },
  "hsl": {
    "h": 213.12,
    "s": 49.801,
    "l": 50.784
  },
  "oklch": {
    "l": 0.5771,
    "c": 0.12231,
    "h": 254.7
  },
  "luminance": 0.19165
}

Semantic roles & 50–950 ramp

primary

#437BC0

secondary

#CBB294

accent

#9B4ED9

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #437BC0

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

Preview Lab → · Contrast checker → · Palette generator →