#437FEA#437FEA

#437FEA is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.2% C 0.174 H 261.0°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#437FEA
RGB	rgb(67, 127, 234)
HSL	hsl(218, 80%, 59%)
HSV	hsv(218, 71%, 92%)
CMYK	cmyk(71.4%, 45.7%, 0%, 8.2%)
CIE-LAB	lab(54.35, 16.04, -59.79)
CIE-LCH	lch(54.35, 61.90, 285.01°)
OKLab	oklab(61.17% -0.0273 -0.1714)
OKLCH	oklch(61.17% 0.174 261)
XYZ	xyz(24.7501, 22.3099, 80.8278)
Luminance	0.2231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437FEA #EAAE43

analogous

#43D3EA #437FEA #5B43EA

triadic

#437FEA #EA437F #7FEA43

tetradic

#437FEA #EA43D3 #EAAE43 #43EA5B

square

#437FEA #EA43D3 #EAAE43 #43EA5B

split-complementary

#437FEA #EA5B43 #D3EA43

monochromatic

#1245A1 #185DD8 #437FEA #7AA4F0 #B1CAF6

Accessibility & contrast

On white

3.84

#437FEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#437FEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437FEA

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437FEA	#FFFFFF	#000000	##000000
##437FEA	1.00	3.84	5.46	5.46
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#478AEE

Deuteranopia (green-blind)

#227BE8

Tritanopia (blue-blind)

#0098A9

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #437fea;
/* rgb */ color: rgb(67, 127, 234);
/* oklch */ color: oklch(61.2% 0.174 261.0);

Tailwind

colors: {
  custom: {
    50: '#8ba3f1',
    500: '#437fea',
    950: '#000000',
  },
}

SCSS

$custom: #437fea;
$custom-light: #8ba3f1;
$custom-dark: #000000;

JSON

{
  "hex": "#437fea",
  "rgb": {
    "r": 67,
    "g": 127,
    "b": 234
  },
  "hsl": {
    "h": 218.443,
    "s": 79.904,
    "l": 59.02
  },
  "oklch": {
    "l": 0.61168,
    "c": 0.17352,
    "h": 261
  },
  "luminance": 0.22313
}

Semantic roles & 50–950 ramp

primary

#437FEA

secondary

#E5CEA4

accent

#B031F6

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0D0F17

muted

#7E7F85

Preview Lab

Preview with #437FEA

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

Preview Lab → · Contrast checker → · Palette generator →