#316BB4#316BB4

#316BB4 is a mid, vivid cyan. Relative luminance 0.145; OKLCH L 52.6% C 0.130 H 255.6°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#316BB4
RGB	rgb(49, 107, 180)
HSL	hsl(213, 57%, 45%)
HSV	hsv(213, 73%, 71%)
CMYK	cmyk(72.8%, 40.6%, 0%, 29.4%)
CIE-LAB	lab(44.89, 6.30, -44.20)
CIE-LCH	lch(44.89, 44.65, 278.11°)
OKLab	oklab(52.64% -0.0325 -0.1261)
OKLCH	oklch(52.64% 0.13 255.6)
XYZ	xyz(14.7595, 14.4620, 45.1848)
Luminance	0.1446 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#316BB4 #B47A31

analogous

#31ADB4 #316BB4 #3931B4

triadic

#316BB4 #B4316B #6BB431

tetradic

#316BB4 #B431AD #B47A31 #31B439

square

#316BB4 #B431AD #B47A31 #31B439

split-complementary

#316BB4 #B43931 #ADB431

monochromatic

#173254 #244E84 #316BB4 #528AD0 #82ABDD

Accessibility & contrast

On white

5.39

#316BB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#316BB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #316BB4

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##316BB4	#FFFFFF	#000000	##FFFFFF
##316BB4	1.00	5.39	3.89	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4971B7

Deuteranopia (green-blind)

#3465B3

Tritanopia (blue-blind)

#007C87

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #316bb4;
/* rgb */ color: rgb(49, 107, 180);
/* oklch */ color: oklch(52.6% 0.130 255.6);

Tailwind

colors: {
  custom: {
    50: '#7a94cb',
    500: '#316bb4',
    950: '#000000',
  },
}

SCSS

$custom: #316bb4;
$custom-light: #7a94cb;
$custom-dark: #000000;

JSON

{
  "hex": "#316bb4",
  "rgb": {
    "r": 49,
    "g": 107,
    "b": 180
  },
  "hsl": {
    "h": 213.435,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.52639,
    "c": 0.13025,
    "h": 255.6
  },
  "luminance": 0.14464
}

Semantic roles & 50–950 ramp

primary

#316BB4

secondary

#C6A57B

accent

#9D47E0

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #316BB4

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

Preview Lab → · Contrast checker → · Palette generator →