#437FCA#437FCA

#437FCA is a mid, vivid cyan. Relative luminance 0.206; OKLCH L 59.2% C 0.131 H 255.1°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#437FCA
RGB	rgb(67, 127, 202)
HSL	hsl(213, 56%, 53%)
HSV	hsv(213, 67%, 79%)
CMYK	cmyk(66.8%, 37.1%, 0%, 20.8%)
CIE-LAB	lab(52.55, 4.69, -44.65)
CIE-LCH	lch(52.55, 44.90, 276.00°)
OKLab	oklab(59.18% -0.0337 -0.1269)
OKLCH	oklch(59.18% 0.131 255.1)
XYZ	xyz(20.5609, 20.6342, 58.7649)
Luminance	0.2064 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437FCA #CA8E43

analogous

#43C3CA #437FCA #4A43CA

triadic

#437FCA #CA437F #7FCA43

tetradic

#437FCA #CA43C3 #CA8E43 #43CA4A

square

#437FCA #CA43C3 #CA8E43 #43CA4A

split-complementary

#437FCA #CA4A43 #C3CA43

monochromatic

#204572 #2E61A2 #437FCA #73A0D7 #A2C0E5

Accessibility & contrast

On white

4.10

#437FCA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#437FCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437FCA

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437FCA	#FFFFFF	#000000	##000000
##437FCA	1.00	4.10	5.13	5.13
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E84CD

Deuteranopia (green-blind)

#4A78C8

Tritanopia (blue-blind)

#00909B

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #437fca;
/* rgb */ color: rgb(67, 127, 202);
/* oklch */ color: oklch(59.2% 0.131 255.1);

Tailwind

colors: {
  custom: {
    50: '#85a3da',
    500: '#437fca',
    950: '#000000',
  },
}

SCSS

$custom: #437fca;
$custom-light: #85a3da;
$custom-dark: #000000;

JSON

{
  "hex": "#437fca",
  "rgb": {
    "r": 67,
    "g": 127,
    "b": 202
  },
  "hsl": {
    "h": 213.333,
    "s": 56.017,
    "l": 52.745
  },
  "oklch": {
    "l": 0.59182,
    "c": 0.13132,
    "h": 255.1
  },
  "luminance": 0.20636
}

Semantic roles & 50–950 ramp

primary

#437FCA

secondary

#D2B897

accent

#9C48DF

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #437FCA

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

Preview Lab → · Contrast checker → · Palette generator →