#437FD6#437FD6

#437FD6 is a mid, vivid blue. Relative luminance 0.212; OKLCH L 59.9% C 0.147 H 257.8°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#437FD6
RGB	rgb(67, 127, 214)
HSL	hsl(216, 64%, 55%)
HSV	hsv(216, 69%, 84%)
CMYK	cmyk(68.7%, 40.7%, 0%, 16.1%)
CIE-LAB	lab(53.19, 8.92, -50.42)
CIE-LCH	lch(53.19, 51.20, 280.03°)
OKLab	oklab(59.9% -0.031 -0.1438)
OKLCH	oklch(59.9% 0.147 257.8)
XYZ	xyz(22.0373, 21.2248, 66.5407)
Luminance	0.2123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437FD6 #D69A43

analogous

#43C9D6 #437FD6 #5043D6

triadic

#437FD6 #D6437F #7FD643

tetradic

#437FD6 #D643C9 #D69A43 #43D650

square

#437FD6 #D643C9 #D69A43 #43D650

split-complementary

#437FD6 #D65043 #C9D643

monochromatic

#1C4682 #2761B4 #437FD6 #75A1E1 #A7C3EC

Accessibility & contrast

On white

4.00

#437FD6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#437FD6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437FD6

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437FD6	#FFFFFF	#000000	##000000
##437FD6	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5686D9

Deuteranopia (green-blind)

#3F79D4

Tritanopia (blue-blind)

#0093A0

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #437fd6;
/* rgb */ color: rgb(67, 127, 214);
/* oklch */ color: oklch(59.9% 0.147 257.8);

Tailwind

colors: {
  custom: {
    50: '#87a3e3',
    500: '#437fd6',
    950: '#000000',
  },
}

SCSS

$custom: #437fd6;
$custom-light: #87a3e3;
$custom-dark: #000000;

JSON

{
  "hex": "#437fd6",
  "rgb": {
    "r": 67,
    "g": 127,
    "b": 214
  },
  "hsl": {
    "h": 215.51,
    "s": 64.192,
    "l": 55.098
  },
  "oklch": {
    "l": 0.59897,
    "c": 0.14713,
    "h": 257.8
  },
  "luminance": 0.21227
}

Semantic roles & 50–950 ramp

primary

#437FD6

secondary

#D9C09C

accent

#A341E7

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0D0F15

muted

#7D7F83

Preview Lab

Preview with #437FD6

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

Preview Lab → · Contrast checker → · Palette generator →