#317CB4#317CB4

#317CB4 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.6% C 0.114 H 244.5°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#317CB4
RGB	rgb(49, 124, 180)
HSL	hsl(206, 57%, 45%)
HSV	hsv(206, 73%, 71%)
CMYK	cmyk(72.8%, 31.1%, 0%, 29.4%)
CIE-LAB	lab(49.93, -4.09, -36.22)
CIE-LCH	lch(49.93, 36.45, 263.55°)
OKLab	oklab(56.59% -0.0488 -0.1025)
OKLCH	oklch(56.59% 0.114 244.5)
XYZ	xyz(16.7093, 18.3617, 45.8347)
Luminance	0.1836 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317CB4 #B46931

analogous

#31B4AB #317CB4 #313AB4

triadic

#317CB4 #B4317C #7CB431

tetradic

#317CB4 #AB31B4 #B46931 #3AB431

square

#317CB4 #AB31B4 #B46931 #3AB431

split-complementary

#317CB4 #B4313A #B4AB31

monochromatic

#173A54 #245B84 #317CB4 #529AD0 #82B6DD

Accessibility & contrast

On white

4.49

#317CB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.67

#317CB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317CB4

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317CB4	#FFFFFF	#000000	##000000
##317CB4	1.00	4.49	4.67	4.67
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#627EB6

Deuteranopia (green-blind)

#5071B3

Tritanopia (blue-blind)

#008A90

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #317cb4;
/* rgb */ color: rgb(49, 124, 180);
/* oklch */ color: oklch(56.6% 0.114 244.5);

Tailwind

colors: {
  custom: {
    50: '#7aa1ca',
    500: '#317cb4',
    950: '#000000',
  },
}

SCSS

$custom: #317cb4;
$custom-light: #7aa1ca;
$custom-dark: #000000;

JSON

{
  "hex": "#317cb4",
  "rgb": {
    "r": 49,
    "g": 124,
    "b": 180
  },
  "hsl": {
    "h": 205.649,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.56592,
    "c": 0.11357,
    "h": 244.5
  },
  "luminance": 0.18364
}

Semantic roles & 50–950 ramp

primary

#317CB4

secondary

#C69B7B

accent

#8947E0

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #317CB4

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

Preview Lab → · Contrast checker → · Palette generator →