#317EB4#317EB4

#317EB4 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.1% C 0.112 H 243.0°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#317EB4
RGB	rgb(49, 126, 180)
HSL	hsl(205, 57%, 45%)
HSV	hsv(205, 73%, 71%)
CMYK	cmyk(72.8%, 30%, 0%, 29.4%)
CIE-LAB	lab(50.53, -5.27, -35.27)
CIE-LCH	lch(50.53, 35.66, 261.50°)
OKLab	oklab(57.07% -0.0508 -0.0998)
OKLCH	oklch(57.07% 0.112 243)
XYZ	xyz(16.9625, 18.8680, 45.9191)
Luminance	0.1887 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317EB4 #B46731

analogous

#31B4A9 #317EB4 #313CB4

triadic

#317EB4 #B4317E #7EB431

tetradic

#317EB4 #A931B4 #B46731 #3CB431

square

#317EB4 #A931B4 #B46731 #3CB431

split-complementary

#317EB4 #B4313C #B4A931

monochromatic

#173B54 #245C84 #317EB4 #529CD0 #82B8DD

Accessibility & contrast

On white

4.40

#317EB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#317EB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317EB4

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317EB4	#FFFFFF	#000000	##000000
##317EB4	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#657FB6

Deuteranopia (green-blind)

#5373B3

Tritanopia (blue-blind)

#008B91

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #317eb4;
/* rgb */ color: rgb(49, 126, 180);
/* oklch */ color: oklch(57.1% 0.112 243.0);

Tailwind

colors: {
  custom: {
    50: '#7aa3ca',
    500: '#317eb4',
    950: '#000000',
  },
}

SCSS

$custom: #317eb4;
$custom-light: #7aa3ca;
$custom-dark: #000000;

JSON

{
  "hex": "#317eb4",
  "rgb": {
    "r": 49,
    "g": 126,
    "b": 180
  },
  "hsl": {
    "h": 204.733,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.57067,
    "c": 0.11195,
    "h": 243
  },
  "luminance": 0.1887
}

Semantic roles & 50–950 ramp

primary

#317EB4

secondary

#C69A7B

accent

#8647E0

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #317EB4

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

Preview Lab → · Contrast checker → · Palette generator →