#3675B3#3675B3

#3675B3 is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 55.1% C 0.117 H 250.5°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#3675B3
RGB	rgb(54, 117, 179)
HSL	hsl(210, 54%, 46%)
HSV	hsv(210, 70%, 70%)
CMYK	cmyk(69.8%, 34.6%, 0%, 29.8%)
CIE-LAB	lab(47.96, 0.50, -38.74)
CIE-LCH	lch(47.96, 38.74, 270.74°)
OKLab	oklab(55.07% -0.039 -0.1099)
OKLCH	oklch(55.07% 0.117 250.5)
XYZ	xyz(16.0163, 16.7598, 45.0300)
Luminance	0.1676 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3675B3 #B37436

analogous

#36B3B2 #3675B3 #3636B3

triadic

#3675B3 #B33675 #75B336

tetradic

#3675B3 #B236B3 #B37436 #36B336

square

#3675B3 #B236B3 #B37436 #36B336

split-complementary

#3675B3 #B33636 #B3B236

monochromatic

#1A3855 #285684 #3675B3 #5994CD #88B2DB

Accessibility & contrast

On white

4.82

#3675B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#3675B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3675B3

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3675B3	#FFFFFF	#000000	##FFFFFF
##3675B3	1.00	4.82	4.35	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5978B6

Deuteranopia (green-blind)

#476CB2

Tritanopia (blue-blind)

#00848B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3675b3;
/* rgb */ color: rgb(54, 117, 179);
/* oklch */ color: oklch(55.1% 0.117 250.5);

Tailwind

colors: {
  custom: {
    50: '#7c9cca',
    500: '#3675b3',
    950: '#000000',
  },
}

SCSS

$custom: #3675b3;
$custom-light: #7c9cca;
$custom-dark: #000000;

JSON

{
  "hex": "#3675b3",
  "rgb": {
    "r": 54,
    "g": 117,
    "b": 179
  },
  "hsl": {
    "h": 209.76,
    "s": 53.648,
    "l": 45.686
  },
  "oklch": {
    "l": 0.55066,
    "c": 0.11666,
    "h": 250.5
  },
  "luminance": 0.16762
}

Semantic roles & 50–950 ramp

primary

#3675B3

secondary

#C5A280

accent

#934BDD

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3675B3

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

Preview Lab → · Contrast checker → · Palette generator →