#3170AB#3170AB

#3170AB is a mid, moderate cyan. Relative luminance 0.152; OKLCH L 53.3% C 0.113 H 249.5°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#3170AB
RGB	rgb(49, 112, 171)
HSL	hsl(209, 55%, 43%)
HSV	hsv(209, 71%, 67%)
CMYK	cmyk(71.3%, 34.5%, 0%, 32.9%)
CIE-LAB	lab(45.88, -0.12, -37.37)
CIE-LCH	lch(45.88, 37.37, 269.82°)
OKLab	oklab(53.25% -0.0396 -0.1061)
OKLCH	oklch(53.25% 0.113 249.5)
XYZ	xyz(14.4087, 15.1800, 40.6908)
Luminance	0.1518 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3170AB #AB6C31

analogous

#31ABA9 #3170AB #3133AB

triadic

#3170AB #AB3170 #70AB31

tetradic

#3170AB #A931AB #AB6C31 #33AB31

square

#3170AB #A931AB #AB6C31 #33AB31

split-complementary

#3170AB #AB3133 #ABA931

monochromatic

#16324C #23517B #3170AB #4D8FCC #7DADDA

Accessibility & contrast

On white

5.20

#3170AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#3170AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3170AB

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3170AB	#FFFFFF	#000000	##FFFFFF
##3170AB	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5573AD

Deuteranopia (green-blind)

#4467AA

Tritanopia (blue-blind)

#007E85

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3170ab;
/* rgb */ color: rgb(49, 112, 171);
/* oklch */ color: oklch(53.3% 0.113 249.5);

Tailwind

colors: {
  custom: {
    50: '#7898c4',
    500: '#3170ab',
    950: '#000000',
  },
}

SCSS

$custom: #3170ab;
$custom-light: #7898c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3170ab",
  "rgb": {
    "r": 49,
    "g": 112,
    "b": 171
  },
  "hsl": {
    "h": 209.016,
    "s": 55.455,
    "l": 43.137
  },
  "oklch": {
    "l": 0.53254,
    "c": 0.11323,
    "h": 249.5
  },
  "luminance": 0.15182
}

Semantic roles & 50–950 ramp

primary

#3170AB

secondary

#C29B75

accent

#9149DF

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #3170AB

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

Preview Lab → · Contrast checker → · Palette generator →