#3171AA#3171AA

#3171AA is a mid, moderate cyan. Relative luminance 0.154; OKLCH L 53.4% C 0.111 H 248.4°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#3171AA
RGB	rgb(49, 113, 170)
HSL	hsl(208, 55%, 43%)
HSV	hsv(208, 71%, 67%)
CMYK	cmyk(71.2%, 33.5%, 0%, 33.3%)
CIE-LAB	lab(46.13, -1.09, -36.39)
CIE-LCH	lch(46.13, 36.41, 268.28°)
OKLab	oklab(53.43% -0.0409 -0.1032)
OKLCH	oklch(53.43% 0.111 248.4)
XYZ	xyz(14.4247, 15.3639, 40.2277)
Luminance	0.1537 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3171AA #AA6A31

analogous

#31AAA6 #3171AA #3135AA

triadic

#3171AA #AA3171 #71AA31

tetradic

#3171AA #A631AA #AA6A31 #35AA31

square

#3171AA #A631AA #AA6A31 #35AA31

split-complementary

#3171AA #AA3135 #AAA631

monochromatic

#16324B #23517A #3171AA #4D90CC #7CADD9

Accessibility & contrast

On white

5.16

#3171AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#3171AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3171AA

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3171AA	#FFFFFF	#000000	##FFFFFF
##3171AA	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5774AC

Deuteranopia (green-blind)

#4668A9

Tritanopia (blue-blind)

#007F86

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3171aa;
/* rgb */ color: rgb(49, 113, 170);
/* oklch */ color: oklch(53.4% 0.111 248.4);

Tailwind

colors: {
  custom: {
    50: '#7899c3',
    500: '#3171aa',
    950: '#000000',
  },
}

SCSS

$custom: #3171aa;
$custom-light: #7899c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3171aa",
  "rgb": {
    "r": 49,
    "g": 113,
    "b": 170
  },
  "hsl": {
    "h": 208.264,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.53432,
    "c": 0.11101,
    "h": 248.4
  },
  "luminance": 0.15366
}

Semantic roles & 50–950 ramp

primary

#3171AA

secondary

#C29975

accent

#9049DF

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #3171AA

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

Preview Lab → · Contrast checker → · Palette generator →