#317AB1#317AB1

#317AB1 is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 56.0% C 0.112 H 244.7°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#317AB1
RGB	rgb(49, 122, 177)
HSL	hsl(206, 57%, 44%)
HSV	hsv(206, 72%, 69%)
CMYK	cmyk(72.3%, 31.1%, 0%, 30.6%)
CIE-LAB	lab(49.18, -3.98, -35.65)
CIE-LCH	lch(49.18, 35.88, 263.63°)
OKLab	oklab(55.96% -0.0478 -0.1009)
OKLCH	oklch(55.96% 0.112 244.7)
XYZ	xyz(16.1589, 17.7446, 44.1599)
Luminance	0.1775 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317AB1 #B16831

analogous

#31B1A8 #317AB1 #313AB1

triadic

#317AB1 #B1317A #7AB131

tetradic

#317AB1 #A831B1 #B16831 #3AB131

square

#317AB1 #A831B1 #B16831 #3AB131

split-complementary

#317AB1 #B1313A #B1A831

monochromatic

#163851 #245981 #317AB1 #5198CF #80B5DC

Accessibility & contrast

On white

4.62

#317AB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#317AB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #317AB1

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317AB1	#FFFFFF	#000000	##FFFFFF
##317AB1	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#617CB3

Deuteranopia (green-blind)

#4F6FB0

Tritanopia (blue-blind)

#00878D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #317ab1;
/* rgb */ color: rgb(49, 122, 177);
/* oklch */ color: oklch(56.0% 0.112 244.7);

Tailwind

colors: {
  custom: {
    50: '#79a0c8',
    500: '#317ab1',
    950: '#000000',
  },
}

SCSS

$custom: #317ab1;
$custom-light: #79a0c8;
$custom-dark: #000000;

JSON

{
  "hex": "#317ab1",
  "rgb": {
    "r": 49,
    "g": 122,
    "b": 177
  },
  "hsl": {
    "h": 205.781,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.55955,
    "c": 0.11167,
    "h": 244.7
  },
  "luminance": 0.17746
}

Semantic roles & 50–950 ramp

primary

#317AB1

secondary

#C59A79

accent

#8948E0

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #317AB1

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

Preview Lab → · Contrast checker → · Palette generator →