#316EB5#316EB5

#316EB5 is a mid, vivid cyan. Relative luminance 0.151; OKLCH L 53.4% C 0.128 H 254.1°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#316EB5
RGB	rgb(49, 110, 181)
HSL	hsl(212, 57%, 45%)
HSV	hsv(212, 73%, 71%)
CMYK	cmyk(72.9%, 39.2%, 0%, 29%)
CIE-LAB	lab(45.82, 4.79, -43.29)
CIE-LCH	lch(45.82, 43.56, 276.32°)
OKLab	oklab(53.39% -0.0351 -0.1234)
OKLCH	oklch(53.39% 0.128 254.1)
XYZ	xyz(15.1800, 15.1393, 45.8293)
Luminance	0.1514 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#316EB5 #B57831

analogous

#31B0B5 #316EB5 #3631B5

triadic

#316EB5 #B5316E #6EB531

tetradic

#316EB5 #B531B0 #B57831 #31B536

square

#316EB5 #B531B0 #B57831 #31B536

split-complementary

#316EB5 #B53631 #B0B531

monochromatic

#173355 #245185 #316EB5 #538DD0 #83ADDD

Accessibility & contrast

On white

5.21

#316EB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#316EB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #316EB5

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##316EB5	#FFFFFF	#000000	##FFFFFF
##316EB5	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D73B8

Deuteranopia (green-blind)

#3867B4

Tritanopia (blue-blind)

#007F89

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #316eb5;
/* rgb */ color: rgb(49, 110, 181);
/* oklch */ color: oklch(53.4% 0.128 254.1);

Tailwind

colors: {
  custom: {
    50: '#7a97cb',
    500: '#316eb5',
    950: '#000000',
  },
}

SCSS

$custom: #316eb5;
$custom-light: #7a97cb;
$custom-dark: #000000;

JSON

{
  "hex": "#316eb5",
  "rgb": {
    "r": 49,
    "g": 110,
    "b": 181
  },
  "hsl": {
    "h": 212.273,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.53386,
    "c": 0.12831,
    "h": 254.1
  },
  "luminance": 0.15141
}

Semantic roles & 50–950 ramp

primary

#316EB5

secondary

#C7A47B

accent

#9A47E1

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #316EB5

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

Preview Lab → · Contrast checker → · Palette generator →