#317EB5#317EB5

#317EB5 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.1% C 0.113 H 243.5°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#317EB5
RGB	rgb(49, 126, 181)
HSL	hsl(205, 57%, 45%)
HSV	hsv(205, 73%, 71%)
CMYK	cmyk(72.9%, 30.4%, 0%, 29%)
CIE-LAB	lab(50.58, -4.91, -35.77)
CIE-LCH	lch(50.58, 36.11, 262.18°)
OKLab	oklab(57.12% -0.0505 -0.1012)
OKLCH	oklch(57.12% 0.113 243.5)
XYZ	xyz(17.0648, 18.9089, 46.4575)
Luminance	0.1891 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317EB5 #B56831

analogous

#31B5AA #317EB5 #313CB5

triadic

#317EB5 #B5317E #7EB531

tetradic

#317EB5 #AA31B5 #B56831 #3CB531

square

#317EB5 #AA31B5 #B56831 #3CB531

split-complementary

#317EB5 #B5313C #B5AA31

monochromatic

#173B55 #245C85 #317EB5 #539CD0 #83B8DD

Accessibility & contrast

On white

4.39

#317EB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#317EB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317EB5

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317EB5	#FFFFFF	#000000	##000000
##317EB5	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#657FB7

Deuteranopia (green-blind)

#5373B4

Tritanopia (blue-blind)

#008B91

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #317eb5;
/* rgb */ color: rgb(49, 126, 181);
/* oklch */ color: oklch(57.1% 0.113 243.5);

Tailwind

colors: {
  custom: {
    50: '#7aa3cb',
    500: '#317eb5',
    950: '#000000',
  },
}

SCSS

$custom: #317eb5;
$custom-light: #7aa3cb;
$custom-dark: #000000;

JSON

{
  "hex": "#317eb5",
  "rgb": {
    "r": 49,
    "g": 126,
    "b": 181
  },
  "hsl": {
    "h": 205,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.5712,
    "c": 0.11312,
    "h": 243.5
  },
  "luminance": 0.18911
}

Semantic roles & 50–950 ramp

primary

#317EB5

secondary

#C79B7B

accent

#8747E1

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #317EB5

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

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