#437FE6#437FE6

#437FE6 is a mid, vivid blue. Relative luminance 0.221; OKLCH L 60.9% C 0.168 H 260.4°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#437FE6
RGB	rgb(67, 127, 230)
HSL	hsl(218, 77%, 58%)
HSV	hsv(218, 71%, 90%)
CMYK	cmyk(70.9%, 44.8%, 0%, 9.8%)
CIE-LAB	lab(54.11, 14.61, -57.94)
CIE-LCH	lch(54.11, 59.75, 284.15°)
OKLab	oklab(60.91% -0.0279 -0.1659)
OKLCH	oklch(60.91% 0.168 260.4)
XYZ	xyz(24.1819, 22.0826, 77.8355)
Luminance	0.2208 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437FE6 #E6AA43

analogous

#43D1E6 #437FE6 #5843E6

triadic

#437FE6 #E6437F #7FE643

tetradic

#437FE6 #E643D1 #E6AA43 #43E658

square

#437FE6 #E643D1 #E6AA43 #43E658

split-complementary

#437FE6 #E65843 #D1E643

monochromatic

#14469A #1C5ED0 #437FE6 #79A4ED #AFC9F4

Accessibility & contrast

On white

3.88

#437FE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#437FE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437FE6

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437FE6	#FFFFFF	#000000	##000000
##437FE6	1.00	3.88	5.42	5.42
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B89EA

Deuteranopia (green-blind)

#2A7AE4

Tritanopia (blue-blind)

#0097A7

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #437fe6;
/* rgb */ color: rgb(67, 127, 230);
/* oklch */ color: oklch(60.9% 0.168 260.4);

Tailwind

colors: {
  custom: {
    50: '#8aa3ee',
    500: '#437fe6',
    950: '#000000',
  },
}

SCSS

$custom: #437fe6;
$custom-light: #8aa3ee;
$custom-dark: #000000;

JSON

{
  "hex": "#437fe6",
  "rgb": {
    "r": 67,
    "g": 127,
    "b": 230
  },
  "hsl": {
    "h": 217.914,
    "s": 76.526,
    "l": 58.235
  },
  "oklch": {
    "l": 0.60906,
    "c": 0.16826,
    "h": 260.4
  },
  "luminance": 0.22085
}

Semantic roles & 50–950 ramp

primary

#437FE6

secondary

#E3CBA2

accent

#AD35F3

background

#F9FAFE

surface

#F1F3FD

border

#CBCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #437FE6

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

Preview Lab → · Contrast checker → · Palette generator →