#3674B1#3674B1

#3674B1 is a mid, moderate cyan. Relative luminance 0.164; OKLCH L 54.7% C 0.115 H 250.4°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#3674B1
RGB	rgb(54, 116, 177)
HSL	hsl(210, 53%, 45%)
HSV	hsv(210, 69%, 69%)
CMYK	cmyk(69.5%, 34.5%, 0%, 30.6%)
CIE-LAB	lab(47.56, 0.39, -38.21)
CIE-LCH	lch(47.56, 38.21, 270.58°)
OKLab	oklab(54.72% -0.0386 -0.1084)
OKLCH	oklch(54.72% 0.115 250.4)
XYZ	xyz(15.6996, 16.4477, 43.9338)
Luminance	0.1645 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3674B1 #B17336

analogous

#36B1B0 #3674B1 #3636B1

triadic

#3674B1 #B13674 #74B136

tetradic

#3674B1 #B036B1 #B17336 #36B136

square

#3674B1 #B036B1 #B17336 #36B136

split-complementary

#3674B1 #B13636 #B1B036

monochromatic

#193753 #285582 #3674B1 #5893CC #87B1DA

Accessibility & contrast

On white

4.90

#3674B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#3674B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3674B1

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3674B1	#FFFFFF	#000000	##FFFFFF
##3674B1	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5977B4

Deuteranopia (green-blind)

#476CB0

Tritanopia (blue-blind)

#00828A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3674b1;
/* rgb */ color: rgb(54, 116, 177);
/* oklch */ color: oklch(54.7% 0.115 250.4);

Tailwind

colors: {
  custom: {
    50: '#7b9bc8',
    500: '#3674b1',
    950: '#000000',
  },
}

SCSS

$custom: #3674b1;
$custom-light: #7b9bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#3674b1",
  "rgb": {
    "r": 54,
    "g": 116,
    "b": 177
  },
  "hsl": {
    "h": 209.756,
    "s": 53.247,
    "l": 45.294
  },
  "oklch": {
    "l": 0.54719,
    "c": 0.11506,
    "h": 250.4
  },
  "luminance": 0.16449
}

Semantic roles & 50–950 ramp

primary

#3674B1

secondary

#C4A17F

accent

#934BDD

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3674B1

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

Preview Lab → · Contrast checker → · Palette generator →