#437EF2#437EF2

#437EF2 is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.5% C 0.185 H 262.2°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#437EF2
RGB	rgb(67, 126, 242)
HSL	hsl(220, 87%, 61%)
HSV	hsv(220, 72%, 95%)
CMYK	cmyk(72.3%, 47.9%, 0%, 5.1%)
CIE-LAB	lab(54.58, 19.51, -63.88)
CIE-LCH	lch(54.58, 66.80, 286.99°)
OKLab	oklab(61.5% -0.0253 -0.1834)
OKLCH	oklch(61.5% 0.185 262.2)
XYZ	xyz(25.7969, 22.5230, 86.9750)
Luminance	0.2253 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437EF2 #F2B743

analogous

#43D6F2 #437EF2 #5F43F2

triadic

#437EF2 #F2437E #7EF243

tetradic

#437EF2 #F243D6 #F2B743 #43F25F

square

#437EF2 #F243D6 #F2B743 #43F25F

split-complementary

#437EF2 #F25F43 #D6F243

monochromatic

#0C43AF #1059E8 #437EF2 #7CA5F6 #B5CDFA

Accessibility & contrast

On white

3.81

#437EF2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#437EF2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437EF2

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437EF2	#FFFFFF	#000000	##000000
##437EF2	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D8BF6

Deuteranopia (green-blind)

#007BF0

Tritanopia (blue-blind)

#009AAC

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #437ef2;
/* rgb */ color: rgb(67, 126, 242);
/* oklch */ color: oklch(61.5% 0.185 262.2);

Tailwind

colors: {
  custom: {
    50: '#8ca2f7',
    500: '#437ef2',
    950: '#000000',
  },
}

SCSS

$custom: #437ef2;
$custom-light: #8ca2f7;
$custom-dark: #000000;

JSON

{
  "hex": "#437ef2",
  "rgb": {
    "r": 67,
    "g": 126,
    "b": 242
  },
  "hsl": {
    "h": 219.771,
    "s": 87.065,
    "l": 60.588
  },
  "oklch": {
    "l": 0.61497,
    "c": 0.18516,
    "h": 262.2
  },
  "luminance": 0.22526
}

Semantic roles & 50–950 ramp

primary

#437EF2

secondary

#EAD3A7

accent

#9802E4

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0F17

muted

#7E7E85

Preview Lab

Preview with #437EF2

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

Preview Lab → · Contrast checker → · Palette generator →