#3171C9#3171C9

#3171C9 is a mid, vivid cyan. Relative luminance 0.167; OKLCH L 55.3% C 0.152 H 257.3°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#3171C9
RGB	rgb(49, 113, 201)
HSL	hsl(215, 61%, 49%)
HSV	hsv(215, 76%, 79%)
CMYK	cmyk(75.6%, 43.8%, 0%, 21.2%)
CIE-LAB	lab(47.85, 10.36, -51.60)
CIE-LCH	lch(47.85, 52.63, 281.35°)
OKLab	oklab(55.34% -0.0334 -0.1478)
OKLCH	oklch(55.34% 0.152 257.3)
XYZ	xyz(17.7105, 16.6782, 57.5328)
Luminance	0.1668 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3171C9 #C98931

analogous

#31BDC9 #3171C9 #3D31C9

triadic

#3171C9 #C93171 #71C931

tetradic

#3171C9 #C931BD #C98931 #31C93D

square

#3171C9 #C931BD #C98931 #31C93D

split-complementary

#3171C9 #C93D31 #BDC931

monochromatic

#193A67 #255598 #3171C9 #5F92D8 #90B4E4

Accessibility & contrast

On white

4.84

#3171C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#3171C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3171C9

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3171C9	#FFFFFF	#000000	##FFFFFF
##3171C9	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4579CC

Deuteranopia (green-blind)

#276BC7

Tritanopia (blue-blind)

#008693

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3171c9;
/* rgb */ color: rgb(49, 113, 201);
/* oklch */ color: oklch(55.3% 0.152 257.3);

Tailwind

colors: {
  custom: {
    50: '#7e99da',
    500: '#3171c9',
    950: '#000000',
  },
}

SCSS

$custom: #3171c9;
$custom-light: #7e99da;
$custom-dark: #000000;

JSON

{
  "hex": "#3171c9",
  "rgb": {
    "r": 49,
    "g": 113,
    "b": 201
  },
  "hsl": {
    "h": 214.737,
    "s": 60.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.55337,
    "c": 0.15151,
    "h": 257.3
  },
  "luminance": 0.1668
}

Semantic roles & 50–950 ramp

primary

#3171C9

secondary

#CFB187

accent

#A144E4

background

#F8F9FD

surface

#EFF2FB

border

#CACCD4

text

#0B0D15

muted

#7C7E83

Preview Lab

Preview with #3171C9

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

Preview Lab → · Contrast checker → · Palette generator →