#437DD7#437DD7

#437DD7 is a mid, vivid blue. Relative luminance 0.208; OKLCH L 59.5% C 0.151 H 258.9°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#437DD7
RGB	rgb(67, 125, 215)
HSL	hsl(216, 65%, 55%)
HSV	hsv(216, 69%, 84%)
CMYK	cmyk(68.8%, 41.9%, 0%, 15.7%)
CIE-LAB	lab(52.69, 10.49, -51.79)
CIE-LCH	lch(52.69, 52.84, 281.45°)
OKLab	oklab(59.52% -0.0289 -0.1479)
OKLCH	oklch(59.52% 0.151 258.9)
XYZ	xyz(21.9097, 20.7645, 67.1301)
Luminance	0.2077 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437DD7 #D79D43

analogous

#43C7D7 #437DD7 #5343D7

triadic

#437DD7 #D7437D #7DD743

tetradic

#437DD7 #D743C7 #D79D43 #43D753

square

#437DD7 #D743C7 #D79D43 #43D753

split-complementary

#437DD7 #D75343 #C7D743

monochromatic

#1C4584 #275FB6 #437DD7 #75A0E2 #A8C3EC

Accessibility & contrast

On white

4.07

#437DD7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#437DD7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437DD7

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437DD7	#FFFFFF	#000000	##000000
##437DD7	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)

#5285DB

Deuteranopia (green-blind)

#3A77D5

Tritanopia (blue-blind)

#00929F

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #437dd7;
/* rgb */ color: rgb(67, 125, 215);
/* oklch */ color: oklch(59.5% 0.151 258.9);

Tailwind

colors: {
  custom: {
    50: '#87a2e4',
    500: '#437dd7',
    950: '#000000',
  },
}

SCSS

$custom: #437dd7;
$custom-light: #87a2e4;
$custom-dark: #000000;

JSON

{
  "hex": "#437dd7",
  "rgb": {
    "r": 67,
    "g": 125,
    "b": 215
  },
  "hsl": {
    "h": 216.486,
    "s": 64.912,
    "l": 55.294
  },
  "oklch": {
    "l": 0.59525,
    "c": 0.15068,
    "h": 258.9
  },
  "luminance": 0.20767
}

Semantic roles & 50–950 ramp

primary

#437DD7

secondary

#DAC29C

accent

#A640E8

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0D0F15

muted

#7D7E84

Preview Lab

Preview with #437DD7

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

Preview Lab → · Contrast checker → · Palette generator →