#317AB5#317AB5

#317AB5 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 56.2% C 0.116 H 246.4°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#317AB5
RGB	rgb(49, 122, 181)
HSL	hsl(207, 57%, 45%)
HSV	hsv(207, 73%, 71%)
CMYK	cmyk(72.9%, 32.6%, 0%, 29%)
CIE-LAB	lab(49.38, -2.54, -37.66)
CIE-LCH	lch(49.38, 37.74, 266.14°)
OKLab	oklab(56.18% -0.0466 -0.1068)
OKLCH	oklch(56.18% 0.116 246.4)
XYZ	xyz(16.5635, 17.9064, 46.2904)
Luminance	0.1791 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317AB5 #B56C31

analogous

#31B5AE #317AB5 #3138B5

triadic

#317AB5 #B5317A #7AB531

tetradic

#317AB5 #AE31B5 #B56C31 #38B531

square

#317AB5 #AE31B5 #B56C31 #38B531

split-complementary

#317AB5 #B53138 #B5AE31

monochromatic

#173955 #245A85 #317AB5 #5398D0 #83B5DD

Accessibility & contrast

On white

4.58

#317AB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#317AB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317AB5

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317AB5	#FFFFFF	#000000	##000000
##317AB5	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7CB8

Deuteranopia (green-blind)

#4D70B4

Tritanopia (blue-blind)

#00888F

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #317ab5;
/* rgb */ color: rgb(49, 122, 181);
/* oklch */ color: oklch(56.2% 0.116 246.4);

Tailwind

colors: {
  custom: {
    50: '#7aa0cb',
    500: '#317ab5',
    950: '#000000',
  },
}

SCSS

$custom: #317ab5;
$custom-light: #7aa0cb;
$custom-dark: #000000;

JSON

{
  "hex": "#317ab5",
  "rgb": {
    "r": 49,
    "g": 122,
    "b": 181
  },
  "hsl": {
    "h": 206.818,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.56175,
    "c": 0.11648,
    "h": 246.4
  },
  "luminance": 0.17908
}

Semantic roles & 50–950 ramp

primary

#317AB5

secondary

#C79D7B

accent

#8C47E1

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #317AB5

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

Preview Lab → · Contrast checker → · Palette generator →