#437FF2#437FF2

#437FF2 is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.7% C 0.184 H 261.9°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#437FF2
RGB	rgb(67, 127, 242)
HSL	hsl(219, 87%, 61%)
HSV	hsv(219, 72%, 95%)
CMYK	cmyk(72.3%, 47.5%, 0%, 5.1%)
CIE-LAB	lab(54.84, 18.90, -63.45)
CIE-LCH	lch(54.84, 66.21, 286.58°)
OKLab	oklab(61.7% -0.0261 -0.1821)
OKLCH	oklch(61.7% 0.184 261.9)
XYZ	xyz(25.9254, 22.7800, 87.0178)
Luminance	0.2278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437FF2 #F2B643

analogous

#43D6F2 #437FF2 #5F43F2

triadic

#437FF2 #F2437F #7FF243

tetradic

#437FF2 #F243D6 #F2B643 #43F25F

square

#437FF2 #F243D6 #F2B643 #43F25F

split-complementary

#437FF2 #F25F43 #D6F243

monochromatic

#0C44AF #105AE8 #437FF2 #7CA6F6 #B5CDFA

Accessibility & contrast

On white

3.78

#437FF2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#437FF2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437FF2

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437FF2	#FFFFFF	#000000	##000000
##437FF2	1.00	3.78	5.56	5.56
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F8CF6

Deuteranopia (green-blind)

#037CF0

Tritanopia (blue-blind)

#009AAD

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #437ff2;
/* rgb */ color: rgb(67, 127, 242);
/* oklch */ color: oklch(61.7% 0.184 261.9);

Tailwind

colors: {
  custom: {
    50: '#8ca3f7',
    500: '#437ff2',
    950: '#000000',
  },
}

SCSS

$custom: #437ff2;
$custom-light: #8ca3f7;
$custom-dark: #000000;

JSON

{
  "hex": "#437ff2",
  "rgb": {
    "r": 67,
    "g": 127,
    "b": 242
  },
  "hsl": {
    "h": 219.429,
    "s": 87.065,
    "l": 60.588
  },
  "oklch": {
    "l": 0.61702,
    "c": 0.184,
    "h": 261.9
  },
  "luminance": 0.22783
}

Semantic roles & 50–950 ramp

primary

#437FF2

secondary

#EAD3A7

accent

#9602E4

background

#F9FAFF

surface

#F2F3FF

border

#CCCDD7

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #437FF2

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

Preview Lab → · Contrast checker → · Palette generator →