#316ECF#316ECF

#316ECF is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.1% C 0.163 H 259.4°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#316ECF
RGB	rgb(49, 110, 207)
HSL	hsl(217, 62%, 50%)
HSV	hsv(217, 76%, 81%)
CMYK	cmyk(76.3%, 46.9%, 0%, 18.8%)
CIE-LAB	lab(47.38, 14.50, -55.80)
CIE-LCH	lch(47.38, 57.65, 284.56°)
OKLab	oklab(55.09% -0.0299 -0.1602)
OKLCH	oklch(55.09% 0.163 259.4)
XYZ	xyz(18.1009, 16.3077, 61.2131)
Luminance	0.1631 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#316ECF #CF9231

analogous

#31BDCF #316ECF #4331CF

triadic

#316ECF #CF316E #6ECF31

tetradic

#316ECF #CF31BD #CF9231 #31CF43

square

#316ECF #CF31BD #CF9231 #31CF43

split-complementary

#316ECF #CF4331 #BDCF31

monochromatic

#19396C #25549E #316ECF #6391DB #94B4E6

Accessibility & contrast

On white

4.93

#316ECF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#316ECF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #316ECF

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##316ECF	#FFFFFF	#000000	##FFFFFF
##316ECF	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3978D3

Deuteranopia (green-blind)

#0B6ACD

Tritanopia (blue-blind)

#008594

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #316ecf;
/* rgb */ color: rgb(49, 110, 207);
/* oklch */ color: oklch(55.1% 0.163 259.4);

Tailwind

colors: {
  custom: {
    50: '#7f96de',
    500: '#316ecf',
    950: '#000000',
  },
}

SCSS

$custom: #316ecf;
$custom-light: #7f96de;
$custom-dark: #000000;

JSON

{
  "hex": "#316ecf",
  "rgb": {
    "r": 49,
    "g": 110,
    "b": 207
  },
  "hsl": {
    "h": 216.835,
    "s": 62.205,
    "l": 50.196
  },
  "oklch": {
    "l": 0.55088,
    "c": 0.16294,
    "h": 259.4
  },
  "luminance": 0.1631
}

Semantic roles & 50–950 ramp

primary

#316ECF

secondary

#D1B68B

accent

#A643E5

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #316ECF

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

Preview Lab → · Contrast checker → · Palette generator →