#437BC5#437BC5

#437BC5 is a mid, vivid cyan. Relative luminance 0.194; OKLCH L 58.0% C 0.129 H 256.1°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#437BC5
RGB	rgb(67, 123, 197)
HSL	hsl(214, 53%, 52%)
HSV	hsv(214, 66%, 77%)
CMYK	cmyk(66%, 37.6%, 0%, 22.7%)
CIE-LAB	lab(51.14, 5.36, -44.03)
CIE-LCH	lch(51.14, 44.36, 276.95°)
OKLab	oklab(58% -0.0309 -0.1252)
OKLCH	oklch(58% 0.129 256.1)
XYZ	xyz(19.4721, 19.3885, 55.5287)
Luminance	0.1939 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437BC5 #C58D43

analogous

#43BCC5 #437BC5 #4C43C5

triadic

#437BC5 #C5437B #7BC543

tetradic

#437BC5 #C543BC #C58D43 #43C54C

square

#437BC5 #C543BC #C58D43 #43C54C

split-complementary

#437BC5 #C54C43 #BCC543

monochromatic

#21426C #305E9B #437BC5 #729CD3 #A1BDE2

Accessibility & contrast

On white

4.31

#437BC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#437BC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437BC5

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437BC5	#FFFFFF	#000000	##000000
##437BC5	1.00	4.31	4.88	4.88
#FFFFFF	4.31	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)

#5A80C8

Deuteranopia (green-blind)

#4774C3

Tritanopia (blue-blind)

#008C96

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #437bc5;
/* rgb */ color: rgb(67, 123, 197);
/* oklch */ color: oklch(58.0% 0.129 256.1);

Tailwind

colors: {
  custom: {
    50: '#84a0d7',
    500: '#437bc5',
    950: '#000000',
  },
}

SCSS

$custom: #437bc5;
$custom-light: #84a0d7;
$custom-dark: #000000;

JSON

{
  "hex": "#437bc5",
  "rgb": {
    "r": 67,
    "g": 123,
    "b": 197
  },
  "hsl": {
    "h": 214.154,
    "s": 52.846,
    "l": 51.765
  },
  "oklch": {
    "l": 0.57999,
    "c": 0.12893,
    "h": 256.1
  },
  "luminance": 0.1939
}

Semantic roles & 50–950 ramp

primary

#437BC5

secondary

#CEB695

accent

#9E4CDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #437BC5

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

Preview Lab → · Contrast checker → · Palette generator →