#437ECA#437ECA

#437ECA is a mid, vivid cyan. Relative luminance 0.204; OKLCH L 59.0% C 0.132 H 255.7°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#437ECA
RGB	rgb(67, 126, 202)
HSL	hsl(214, 56%, 53%)
HSV	hsv(214, 67%, 79%)
CMYK	cmyk(66.8%, 37.6%, 0%, 20.8%)
CIE-LAB	lab(52.26, 5.29, -45.10)
CIE-LCH	lch(52.26, 45.41, 276.69°)
OKLab	oklab(58.96% -0.0327 -0.1283)
OKLCH	oklch(58.96% 0.132 255.7)
XYZ	xyz(20.4324, 20.3772, 58.7221)
Luminance	0.2038 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437ECA #CA8F43

analogous

#43C1CA #437ECA #4B43CA

triadic

#437ECA #CA437E #7ECA43

tetradic

#437ECA #CA43C1 #CA8F43 #43CA4B

square

#437ECA #CA43C1 #CA8F43 #43CA4B

split-complementary

#437ECA #CA4B43 #C1CA43

monochromatic

#204472 #2E61A2 #437ECA #739FD7 #A2C0E5

Accessibility & contrast

On white

4.14

#437ECA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#437ECA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437ECA

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437ECA	#FFFFFF	#000000	##000000
##437ECA	1.00	4.14	5.08	5.08
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C84CD

Deuteranopia (green-blind)

#4877C8

Tritanopia (blue-blind)

#00909A

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #437eca;
/* rgb */ color: rgb(67, 126, 202);
/* oklch */ color: oklch(59.0% 0.132 255.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#437eca",
  "rgb": {
    "r": 67,
    "g": 126,
    "b": 202
  },
  "hsl": {
    "h": 213.778,
    "s": 56.017,
    "l": 52.745
  },
  "oklch": {
    "l": 0.5896,
    "c": 0.13237,
    "h": 255.7
  },
  "luminance": 0.20379
}

Semantic roles & 50–950 ramp

primary

#437ECA

secondary

#D2B897

accent

#9D48DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #437ECA

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

Preview Lab → · Contrast checker → · Palette generator →