#316CBF#316CBF

#316CBF is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.6% C 0.144 H 257.5°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#316CBF
RGB	rgb(49, 108, 191)
HSL	hsl(215, 59%, 47%)
HSV	hsv(215, 74%, 75%)
CMYK	cmyk(74.3%, 43.5%, 0%, 25.1%)
CIE-LAB	lab(45.82, 9.77, -49.09)
CIE-LCH	lch(45.82, 50.06, 281.26°)
OKLab	oklab(53.57% -0.031 -0.1405)
OKLCH	oklch(53.57% 0.144 257.5)
XYZ	xyz(16.0297, 15.1379, 51.3572)
Luminance	0.1514 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#316CBF #BF8431

analogous

#31B3BF #316CBF #3D31BF

triadic

#316CBF #BF316C #6CBF31

tetradic

#316CBF #BF31B3 #BF8431 #31BF3D

square

#316CBF #BF31B3 #BF8431 #31BF3D

split-complementary

#316CBF #BF3D31 #B3BF31

monochromatic

#18355E #25508E #316CBF #598CD4 #8AAEE1

Accessibility & contrast

On white

5.21

#316CBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#316CBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #316CBF

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##316CBF	#FFFFFF	#000000	##FFFFFF
##316CBF	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)

#4374C2

Deuteranopia (green-blind)

#2866BD

Tritanopia (blue-blind)

#00808C

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #316cbf;
/* rgb */ color: rgb(49, 108, 191);
/* oklch */ color: oklch(53.6% 0.144 257.5);

Tailwind

colors: {
  custom: {
    50: '#7c95d3',
    500: '#316cbf',
    950: '#000000',
  },
}

SCSS

$custom: #316cbf;
$custom-light: #7c95d3;
$custom-dark: #000000;

JSON

{
  "hex": "#316cbf",
  "rgb": {
    "r": 49,
    "g": 108,
    "b": 191
  },
  "hsl": {
    "h": 215.07,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.53572,
    "c": 0.14389,
    "h": 257.5
  },
  "luminance": 0.1514
}

Semantic roles & 50–950 ramp

primary

#316CBF

secondary

#CBAC81

accent

#A145E2

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #316CBF

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

Preview Lab → · Contrast checker → · Palette generator →