#437ED1#437ED1

#437ED1 is a mid, vivid blue. Relative luminance 0.207; OKLCH L 59.4% C 0.142 H 257.3°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#437ED1
RGB	rgb(67, 126, 209)
HSL	hsl(215, 61%, 54%)
HSV	hsv(215, 68%, 82%)
CMYK	cmyk(67.9%, 39.7%, 0%, 18%)
CIE-LAB	lab(52.64, 7.76, -48.48)
CIE-LCH	lch(52.64, 49.10, 279.09°)
OKLab	oklab(59.38% -0.0311 -0.1381)
OKLCH	oklch(59.38% 0.142 257.3)
XYZ	xyz(21.2800, 20.7163, 63.1864)
Luminance	0.2072 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437ED1 #D19643

analogous

#43C5D1 #437ED1 #4F43D1

triadic

#437ED1 #D1437E #7ED143

tetradic

#437ED1 #D143C5 #D19643 #43D14F

square

#437ED1 #D143C5 #D19643 #43D14F

split-complementary

#437ED1 #D14F43 #C5D143

monochromatic

#1E457B #2A60AD #437ED1 #74A0DD #A5C1E9

Accessibility & contrast

On white

4.08

#437ED1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#437ED1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437ED1

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437ED1	#FFFFFF	#000000	##000000
##437ED1	1.00	4.08	5.14	5.14
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5885D4

Deuteranopia (green-blind)

#4278CF

Tritanopia (blue-blind)

#00919D

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #437ed1;
/* rgb */ color: rgb(67, 126, 209);
/* oklch */ color: oklch(59.4% 0.142 257.3);

Tailwind

colors: {
  custom: {
    50: '#86a2df',
    500: '#437ed1',
    950: '#000000',
  },
}

SCSS

$custom: #437ed1;
$custom-light: #86a2df;
$custom-dark: #000000;

JSON

{
  "hex": "#437ed1",
  "rgb": {
    "r": 67,
    "g": 126,
    "b": 209
  },
  "hsl": {
    "h": 215.07,
    "s": 60.684,
    "l": 54.118
  },
  "oklch": {
    "l": 0.59375,
    "c": 0.14161,
    "h": 257.3
  },
  "luminance": 0.20718
}

Semantic roles & 50–950 ramp

primary

#437ED1

secondary

#D6BD9A

accent

#A144E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #437ED1

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

Preview Lab → · Contrast checker → · Palette generator →