#437ED2#437ED2

#437ED2 is a mid, vivid blue. Relative luminance 0.208; OKLCH L 59.4% C 0.143 H 257.5°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#437ED2
RGB	rgb(67, 126, 210)
HSL	hsl(215, 61%, 54%)
HSV	hsv(215, 68%, 82%)
CMYK	cmyk(68.1%, 40%, 0%, 17.6%)
CIE-LAB	lab(52.69, 8.11, -48.96)
CIE-LCH	lch(52.69, 49.63, 279.41°)
OKLab	oklab(59.44% -0.0309 -0.1396)
OKLCH	oklch(59.44% 0.143 257.5)
XYZ	xyz(21.4042, 20.7659, 63.8405)
Luminance	0.2077 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437ED2 #D29743

analogous

#43C5D2 #437ED2 #5043D2

triadic

#437ED2 #D2437E #7ED243

tetradic

#437ED2 #D243C5 #D29743 #43D250

square

#437ED2 #D243C5 #D29743 #43D250

split-complementary

#437ED2 #D25043 #C5D243

monochromatic

#1E457D #2A60AE #437ED2 #74A0DE #A6C2EA

Accessibility & contrast

On white

4.07

#437ED2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#437ED2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437ED2

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437ED2	#FFFFFF	#000000	##000000
##437ED2	1.00	4.07	5.15	5.15
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5785D5

Deuteranopia (green-blind)

#4178D0

Tritanopia (blue-blind)

#00919E

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #437ed2;
/* rgb */ color: rgb(67, 126, 210);
/* oklch */ color: oklch(59.4% 0.143 257.5);

Tailwind

colors: {
  custom: {
    50: '#86a2e0',
    500: '#437ed2',
    950: '#000000',
  },
}

SCSS

$custom: #437ed2;
$custom-light: #86a2e0;
$custom-dark: #000000;

JSON

{
  "hex": "#437ed2",
  "rgb": {
    "r": 67,
    "g": 126,
    "b": 210
  },
  "hsl": {
    "h": 215.245,
    "s": 61.373,
    "l": 54.314
  },
  "oklch": {
    "l": 0.59436,
    "c": 0.14294,
    "h": 257.5
  },
  "luminance": 0.20768
}

Semantic roles & 50–950 ramp

primary

#437ED2

secondary

#D7BE9A

accent

#A243E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #437ED2

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

Preview Lab → · Contrast checker → · Palette generator →