#437CDC#437CDC

#437CDC is a mid, vivid blue. Relative luminance 0.208; OKLCH L 59.6% C 0.158 H 260.2°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#437CDC
RGB	rgb(67, 124, 220)
HSL	hsl(218, 69%, 56%)
HSV	hsv(218, 70%, 86%)
CMYK	cmyk(69.5%, 43.6%, 0%, 13.7%)
CIE-LAB	lab(52.70, 12.89, -54.59)
CIE-LCH	lch(52.70, 56.09, 283.28°)
OKLab	oklab(59.63% -0.027 -0.1561)
OKLCH	oklch(59.63% 0.158 260.2)
XYZ	xyz(22.4360, 20.7736, 70.5236)
Luminance	0.2078 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437CDC #DCA343

analogous

#43C9DC #437CDC #5743DC

triadic

#437CDC #DC437C #7CDC43

tetradic

#437CDC #DC43C9 #DCA343 #43DC57

square

#437CDC #DC43C9 #DCA343 #43DC57

split-complementary

#437CDC #DC5743 #C9DC43

monochromatic

#1A448B #235DBE #437CDC #77A0E6 #AAC4EF

Accessibility & contrast

On white

4.07

#437CDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#437CDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437CDC

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437CDC	#FFFFFF	#000000	##000000
##437CDC	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D85E0

Deuteranopia (green-blind)

#3177DA

Tritanopia (blue-blind)

#0092A1

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #437cdc;
/* rgb */ color: rgb(67, 124, 220);
/* oklch */ color: oklch(59.6% 0.158 260.2);

Tailwind

colors: {
  custom: {
    50: '#88a1e7',
    500: '#437cdc',
    950: '#000000',
  },
}

SCSS

$custom: #437cdc;
$custom-light: #88a1e7;
$custom-dark: #000000;

JSON

{
  "hex": "#437cdc",
  "rgb": {
    "r": 67,
    "g": 124,
    "b": 220
  },
  "hsl": {
    "h": 217.647,
    "s": 68.61,
    "l": 56.275
  },
  "oklch": {
    "l": 0.59626,
    "c": 0.15845,
    "h": 260.2
  },
  "luminance": 0.20776
}

Semantic roles & 50–950 ramp

primary

#437CDC

secondary

#DDC59E

accent

#AA3CEB

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #437CDC

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

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