#317BB8#317BB8

#317BB8 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.6% C 0.119 H 247.0°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#317BB8
RGB	rgb(49, 123, 184)
HSL	hsl(207, 58%, 46%)
HSV	hsv(207, 73%, 72%)
CMYK	cmyk(73.4%, 33.2%, 0%, 27.8%)
CIE-LAB	lab(49.83, -2.05, -38.68)
CIE-LCH	lch(49.83, 38.74, 266.96°)
OKLab	oklab(56.58% -0.0467 -0.1097)
OKLCH	oklch(56.58% 0.119 247)
XYZ	xyz(16.9980, 18.2777, 47.9702)
Luminance	0.1828 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317BB8 #B86E31

analogous

#31B8B1 #317BB8 #3137B8

triadic

#317BB8 #B8317B #7BB831

tetradic

#317BB8 #B131B8 #B86E31 #37B831

square

#317BB8 #B131B8 #B86E31 #37B831

split-complementary

#317BB8 #B83137 #B8B131

monochromatic

#173A57 #245B88 #317BB8 #5599D2 #85B6DE

Accessibility & contrast

On white

4.51

#317BB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#317BB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317BB8

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317BB8	#FFFFFF	#000000	##000000
##317BB8	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7DBB

Deuteranopia (green-blind)

#4C71B7

Tritanopia (blue-blind)

#008A91

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #317bb8;
/* rgb */ color: rgb(49, 123, 184);
/* oklch */ color: oklch(56.6% 0.119 247.0);

Tailwind

colors: {
  custom: {
    50: '#7ba0cd',
    500: '#317bb8',
    950: '#000000',
  },
}

SCSS

$custom: #317bb8;
$custom-light: #7ba0cd;
$custom-dark: #000000;

JSON

{
  "hex": "#317bb8",
  "rgb": {
    "r": 49,
    "g": 123,
    "b": 184
  },
  "hsl": {
    "h": 207.111,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.56578,
    "c": 0.11926,
    "h": 247
  },
  "luminance": 0.1828
}

Semantic roles & 50–950 ramp

primary

#317BB8

secondary

#C89F7D

accent

#8C47E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #317BB8

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

Preview Lab → · Contrast checker → · Palette generator →