#315EC8#315EC8

#315EC8 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.2% C 0.173 H 264.0°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#315EC8
RGB	rgb(49, 94, 200)
HSL	hsl(222, 61%, 49%)
HSV	hsv(222, 76%, 78%)
CMYK	cmyk(75.5%, 53%, 0%, 21.6%)
CIE-LAB	lab(42.50, 22.13, -59.64)
CIE-LCH	lch(42.50, 63.62, 290.35°)
OKLab	oklab(51.21% -0.0182 -0.1718)
OKLCH	oklch(51.21% 0.173 264)
XYZ	xyz(15.6909, 12.8268, 56.2812)
Luminance	0.1283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315EC8 #C89B31

analogous

#31AAC8 #315EC8 #4F31C8

triadic

#315EC8 #C8315E #5EC831

tetradic

#315EC8 #C831AA #C89B31 #31C84F

square

#315EC8 #C831AA #C89B31 #31C84F

split-complementary

#315EC8 #C84F31 #AAC831

monochromatic

#193066 #254797 #315EC8 #5F83D8 #90A9E4

Accessibility & contrast

On white

5.89

#315EC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#315EC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315EC8

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315EC8	#FFFFFF	#000000	##FFFFFF
##315EC8	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D6CCC

Deuteranopia (green-blind)

#005EC6

Tritanopia (blue-blind)

#00788A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #315ec8;
/* rgb */ color: rgb(49, 94, 200);
/* oklch */ color: oklch(51.2% 0.173 264.0);

Tailwind

colors: {
  custom: {
    50: '#7e8bd9',
    500: '#315ec8',
    950: '#000000',
  },
}

SCSS

$custom: #315ec8;
$custom-light: #7e8bd9;
$custom-dark: #000000;

JSON

{
  "hex": "#315ec8",
  "rgb": {
    "r": 49,
    "g": 94,
    "b": 200
  },
  "hsl": {
    "h": 222.119,
    "s": 60.643,
    "l": 48.824
  },
  "oklch": {
    "l": 0.51214,
    "c": 0.17276,
    "h": 264
  },
  "luminance": 0.12829
}

Semantic roles & 50–950 ramp

primary

#315EC8

secondary

#CEB986

accent

#B444E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #315EC8

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

Preview Lab → · Contrast checker → · Palette generator →