#437ED6#437ED6

#437ED6 is a mid, vivid blue. Relative luminance 0.210; OKLCH L 59.7% C 0.148 H 258.3°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#437ED6
RGB	rgb(67, 126, 214)
HSL	hsl(216, 64%, 55%)
HSV	hsv(216, 69%, 84%)
CMYK	cmyk(68.7%, 41.1%, 0%, 16.1%)
CIE-LAB	lab(52.91, 9.53, -50.87)
CIE-LCH	lch(52.91, 51.75, 280.61°)
OKLab	oklab(59.68% -0.03 -0.1452)
OKLCH	oklch(59.68% 0.148 258.3)
XYZ	xyz(21.9088, 20.9678, 66.4979)
Luminance	0.2097 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437ED6 #D69B43

analogous

#43C8D6 #437ED6 #5143D6

triadic

#437ED6 #D6437E #7ED643

tetradic

#437ED6 #D643C8 #D69B43 #43D651

square

#437ED6 #D643C8 #D69B43 #43D651

split-complementary

#437ED6 #D65143 #C8D643

monochromatic

#1C4582 #2760B4 #437ED6 #75A0E1 #A7C3EC

Accessibility & contrast

On white

4.04

#437ED6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#437ED6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437ED6

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437ED6	#FFFFFF	#000000	##000000
##437ED6	1.00	4.04	5.19	5.19
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5586D9

Deuteranopia (green-blind)

#3D78D4

Tritanopia (blue-blind)

#00929F

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #437ed6;
/* rgb */ color: rgb(67, 126, 214);
/* oklch */ color: oklch(59.7% 0.148 258.3);

Tailwind

colors: {
  custom: {
    50: '#87a2e3',
    500: '#437ed6',
    950: '#000000',
  },
}

SCSS

$custom: #437ed6;
$custom-light: #87a2e3;
$custom-dark: #000000;

JSON

{
  "hex": "#437ed6",
  "rgb": {
    "r": 67,
    "g": 126,
    "b": 214
  },
  "hsl": {
    "h": 215.918,
    "s": 64.192,
    "l": 55.098
  },
  "oklch": {
    "l": 0.5968,
    "c": 0.14824,
    "h": 258.3
  },
  "luminance": 0.2097
}

Semantic roles & 50–950 ramp

primary

#437ED6

secondary

#D9C09C

accent

#A441E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0F15

muted

#7D7E83

Preview Lab

Preview with #437ED6

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

Preview Lab → · Contrast checker → · Palette generator →