#317CB3#317CB3

#317CB3 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.5% C 0.112 H 244.1°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#317CB3
RGB	rgb(49, 124, 179)
HSL	hsl(205, 57%, 45%)
HSV	hsv(205, 73%, 70%)
CMYK	cmyk(72.6%, 30.7%, 0%, 29.8%)
CIE-LAB	lab(49.88, -4.45, -35.71)
CIE-LCH	lch(49.88, 35.99, 262.90°)
OKLab	oklab(56.54% -0.0491 -0.1011)
OKLCH	oklch(56.54% 0.112 244.1)
XYZ	xyz(16.6078, 18.3211, 45.3001)
Luminance	0.1832 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317CB3 #B36831

analogous

#31B3A9 #317CB3 #313BB3

triadic

#317CB3 #B3317C #7CB331

tetradic

#317CB3 #A931B3 #B36831 #3BB331

square

#317CB3 #A931B3 #B36831 #3BB331

split-complementary

#317CB3 #B3313B #B3A931

monochromatic

#173953 #245B83 #317CB3 #529AD0 #82B6DD

Accessibility & contrast

On white

4.50

#317CB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#317CB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317CB3

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317CB3	#FFFFFF	#000000	##000000
##317CB3	1.00	4.50	4.66	4.66
#FFFFFF	4.50	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)

#637DB5

Deuteranopia (green-blind)

#5171B2

Tritanopia (blue-blind)

#00898F

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #317cb3;
/* rgb */ color: rgb(49, 124, 179);
/* oklch */ color: oklch(56.5% 0.112 244.1);

Tailwind

colors: {
  custom: {
    50: '#7aa1ca',
    500: '#317cb3',
    950: '#000000',
  },
}

SCSS

$custom: #317cb3;
$custom-light: #7aa1ca;
$custom-dark: #000000;

JSON

{
  "hex": "#317cb3",
  "rgb": {
    "r": 49,
    "g": 124,
    "b": 179
  },
  "hsl": {
    "h": 205.385,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.56538,
    "c": 0.1124,
    "h": 244.1
  },
  "luminance": 0.18323
}

Semantic roles & 50–950 ramp

primary

#317CB3

secondary

#C69A7A

accent

#8848E0

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #317CB3

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

Preview Lab → · Contrast checker → · Palette generator →