#316FC9#316FC9

#316FC9 is a mid, vivid blue. Relative luminance 0.162; OKLCH L 54.9% C 0.154 H 258.1°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#316FC9
RGB	rgb(49, 111, 201)
HSL	hsl(216, 61%, 49%)
HSV	hsv(216, 76%, 79%)
CMYK	cmyk(75.6%, 44.8%, 0%, 21.2%)
CIE-LAB	lab(47.28, 11.62, -52.51)
CIE-LCH	lch(47.28, 53.78, 282.48°)
OKLab	oklab(54.9% -0.0317 -0.1505)
OKLCH	oklch(54.9% 0.154 258.1)
XYZ	xyz(17.4898, 16.2369, 57.4593)
Luminance	0.1624 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#316FC9 #C98B31

analogous

#31BBC9 #316FC9 #3F31C9

triadic

#316FC9 #C9316F #6FC931

tetradic

#316FC9 #C931BB #C98B31 #31C93F

square

#316FC9 #C931BB #C98B31 #31C93F

split-complementary

#316FC9 #C93F31 #BBC931

monochromatic

#193967 #255498 #316FC9 #5F90D8 #90B2E4

Accessibility & contrast

On white

4.94

#316FC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#316FC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #316FC9

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##316FC9	#FFFFFF	#000000	##FFFFFF
##316FC9	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4178CC

Deuteranopia (green-blind)

#216AC7

Tritanopia (blue-blind)

#008492

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #316fc9;
/* rgb */ color: rgb(49, 111, 201);
/* oklch */ color: oklch(54.9% 0.154 258.1);

Tailwind

colors: {
  custom: {
    50: '#7e97da',
    500: '#316fc9',
    950: '#000000',
  },
}

SCSS

$custom: #316fc9;
$custom-light: #7e97da;
$custom-dark: #000000;

JSON

{
  "hex": "#316fc9",
  "rgb": {
    "r": 49,
    "g": 111,
    "b": 201
  },
  "hsl": {
    "h": 215.526,
    "s": 60.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.54897,
    "c": 0.1538,
    "h": 258.1
  },
  "luminance": 0.16239
}

Semantic roles & 50–950 ramp

primary

#316FC9

secondary

#CFB187

accent

#A344E4

background

#F8F9FD

surface

#EFF2FB

border

#CACCD4

text

#0B0D15

muted

#7C7E83

Preview Lab

Preview with #316FC9

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

Preview Lab → · Contrast checker → · Palette generator →