#3670B2#3670B2

#3670B2 is a mid, vivid cyan. Relative luminance 0.156; OKLCH L 53.9% C 0.120 H 253.4°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#3670B2
RGB	rgb(54, 112, 178)
HSL	hsl(212, 53%, 45%)
HSV	hsv(212, 70%, 70%)
CMYK	cmyk(69.7%, 37.1%, 0%, 30.2%)
CIE-LAB	lab(46.43, 3.20, -40.58)
CIE-LCH	lch(46.43, 40.71, 274.51°)
OKLab	oklab(53.85% -0.0343 -0.1154)
OKLCH	oklch(53.85% 0.12 253.4)
XYZ	xyz(15.3484, 15.5853, 44.3102)
Luminance	0.1559 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3670B2 #B27836

analogous

#36AEB2 #3670B2 #3A36B2

triadic

#3670B2 #B23670 #70B236

tetradic

#3670B2 #B236AE #B27836 #36B23A

square

#3670B2 #B236AE #B27836 #36B23A

split-complementary

#3670B2 #B23A36 #AEB236

monochromatic

#1A3554 #285283 #3670B2 #598FCD #88AFDB

Accessibility & contrast

On white

5.10

#3670B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#3670B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3670B2

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3670B2	#FFFFFF	#000000	##FFFFFF
##3670B2	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5274B5

Deuteranopia (green-blind)

#4069B1

Tritanopia (blue-blind)

#007F88

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3670b2;
/* rgb */ color: rgb(54, 112, 178);
/* oklch */ color: oklch(53.9% 0.120 253.4);

Tailwind

colors: {
  custom: {
    50: '#7b98c9',
    500: '#3670b2',
    950: '#000000',
  },
}

SCSS

$custom: #3670b2;
$custom-light: #7b98c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3670b2",
  "rgb": {
    "r": 54,
    "g": 112,
    "b": 178
  },
  "hsl": {
    "h": 211.935,
    "s": 53.448,
    "l": 45.49
  },
  "oklch": {
    "l": 0.53851,
    "c": 0.12038,
    "h": 253.4
  },
  "luminance": 0.15587
}

Semantic roles & 50–950 ramp

primary

#3670B2

secondary

#C5A47F

accent

#994BDD

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #3670B2

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

Preview Lab → · Contrast checker → · Palette generator →