#315AD4#315AD4

#315AD4 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.4% C 0.194 H 265.7°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#315AD4
RGB	rgb(49, 90, 212)
HSL	hsl(225, 65%, 51%)
HSV	hsv(225, 77%, 83%)
CMYK	cmyk(76.9%, 57.5%, 0%, 16.9%)
CIE-LAB	lab(42.33, 29.18, -66.82)
CIE-LCH	lch(42.33, 72.92, 293.59°)
OKLab	oklab(51.37% -0.0146 -0.193)
OKLCH	oklch(51.37% 0.194 265.7)
XYZ	xyz(16.8023, 12.7169, 63.8436)
Luminance	0.1272 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315AD4 #D4AB31

analogous

#31ABD4 #315AD4 #5931D4

triadic

#315AD4 #D4315A #5AD431

tetradic

#315AD4 #D431AB #D4AB31 #31D459

square

#315AD4 #D431AB #D4AB31 #31D459

split-complementary

#315AD4 #D45931 #ABD431

monochromatic

#182F73 #2343A5 #315AD4 #6483DF #96ABE9

Accessibility & contrast

On white

5.93

#315AD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#315AD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315AD4

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315AD4	#FFFFFF	#000000	##FFFFFF
##315AD4	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD8

Deuteranopia (green-blind)

#005DD2

Tritanopia (blue-blind)

#00798E

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #315ad4;
/* rgb */ color: rgb(49, 90, 212);
/* oklch */ color: oklch(51.4% 0.194 265.7);

Tailwind

colors: {
  custom: {
    50: '#8188e2',
    500: '#315ad4',
    950: '#000000',
  },
}

SCSS

$custom: #315ad4;
$custom-light: #8188e2;
$custom-dark: #000000;

JSON

{
  "hex": "#315ad4",
  "rgb": {
    "r": 49,
    "g": 90,
    "b": 212
  },
  "hsl": {
    "h": 224.908,
    "s": 65.462,
    "l": 51.176
  },
  "oklch": {
    "l": 0.51368,
    "c": 0.19351,
    "h": 265.7
  },
  "luminance": 0.12719
}

Semantic roles & 50–950 ramp

primary

#315AD4

secondary

#D4C28C

accent

#BE3FE8

background

#F8F8FE

surface

#F0EFFC

border

#CBCAD5

text

#0C0B15

muted

#7D7C84

Preview Lab

Preview with #315AD4

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

Preview Lab → · Contrast checker → · Palette generator →