#316DB5#316DB5

#316DB5 is a mid, vivid cyan. Relative luminance 0.149; OKLCH L 53.2% C 0.129 H 254.7°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#316DB5
RGB	rgb(49, 109, 181)
HSL	hsl(213, 57%, 45%)
HSV	hsv(213, 73%, 71%)
CMYK	cmyk(72.9%, 39.8%, 0%, 29%)
CIE-LAB	lab(45.53, 5.42, -43.76)
CIE-LCH	lch(45.53, 44.09, 277.06°)
OKLab	oklab(53.16% -0.0341 -0.1248)
OKLCH	oklch(53.16% 0.129 254.7)
XYZ	xyz(15.0727, 14.9248, 45.7935)
Luminance	0.1493 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#316DB5 #B57931

analogous

#31AFB5 #316DB5 #3731B5

triadic

#316DB5 #B5316D #6DB531

tetradic

#316DB5 #B531AF #B57931 #31B537

square

#316DB5 #B531AF #B57931 #31B537

split-complementary

#316DB5 #B53731 #AFB531

monochromatic

#173355 #245085 #316DB5 #538CD0 #83ACDD

Accessibility & contrast

On white

5.27

#316DB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#316DB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #316DB5

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##316DB5	#FFFFFF	#000000	##FFFFFF
##316DB5	1.00	5.27	3.99	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B72B8

Deuteranopia (green-blind)

#3766B4

Tritanopia (blue-blind)

#007E88

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #316db5;
/* rgb */ color: rgb(49, 109, 181);
/* oklch */ color: oklch(53.2% 0.129 254.7);

Tailwind

colors: {
  custom: {
    50: '#7a96cb',
    500: '#316db5',
    950: '#000000',
  },
}

SCSS

$custom: #316db5;
$custom-light: #7a96cb;
$custom-dark: #000000;

JSON

{
  "hex": "#316db5",
  "rgb": {
    "r": 49,
    "g": 109,
    "b": 181
  },
  "hsl": {
    "h": 212.727,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.53157,
    "c": 0.12939,
    "h": 254.7
  },
  "luminance": 0.14926
}

Semantic roles & 50–950 ramp

primary

#316DB5

secondary

#C7A47B

accent

#9B47E1

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #316DB5

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

Preview Lab → · Contrast checker → · Palette generator →