#437CF2#437CF2

#437CF2 is a mid, vivid blue. Relative luminance 0.220; OKLCH L 61.1% C 0.187 H 262.8°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#437CF2
RGB	rgb(67, 124, 242)
HSL	hsl(220, 87%, 61%)
HSV	hsv(220, 72%, 95%)
CMYK	cmyk(72.3%, 48.8%, 0%, 5.1%)
CIE-LAB	lab(54.04, 20.75, -64.74)
CIE-LCH	lch(54.04, 67.99, 287.77°)
OKLab	oklab(61.09% -0.0237 -0.186)
OKLCH	oklch(61.09% 0.187 262.8)
XYZ	xyz(25.5437, 22.0166, 86.8906)
Luminance	0.2202 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437CF2 #F2B943

analogous

#43D4F2 #437CF2 #6143F2

triadic

#437CF2 #F2437C #7CF243

tetradic

#437CF2 #F243D4 #F2B943 #43F261

square

#437CF2 #F243D4 #F2B943 #43F261

split-complementary

#437CF2 #F26143 #D4F243

monochromatic

#0C41AF #1056E8 #437CF2 #7CA4F6 #B5CCFA

Accessibility & contrast

On white

3.89

#437CF2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#437CF2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437CF2

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437CF2	#FFFFFF	#000000	##000000
##437CF2	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#378AF6

Deuteranopia (green-blind)

#007AF0

Tritanopia (blue-blind)

#0098AB

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #437cf2;
/* rgb */ color: rgb(67, 124, 242);
/* oklch */ color: oklch(61.1% 0.187 262.8);

Tailwind

colors: {
  custom: {
    50: '#8ca1f7',
    500: '#437cf2',
    950: '#000000',
  },
}

SCSS

$custom: #437cf2;
$custom-light: #8ca1f7;
$custom-dark: #000000;

JSON

{
  "hex": "#437cf2",
  "rgb": {
    "r": 67,
    "g": 124,
    "b": 242
  },
  "hsl": {
    "h": 220.457,
    "s": 87.065,
    "l": 60.588
  },
  "oklch": {
    "l": 0.61089,
    "c": 0.18749,
    "h": 262.8
  },
  "luminance": 0.22019
}

Semantic roles & 50–950 ramp

primary

#437CF2

secondary

#EAD4A7

accent

#9A02E4

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #437CF2

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

Preview Lab → · Contrast checker → · Palette generator →