#315BC0#315BC0

#315BC0 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.0% C 0.166 H 264.2°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#315BC0
RGB	rgb(49, 91, 192)
HSL	hsl(222, 59%, 47%)
HSV	hsv(222, 74%, 75%)
CMYK	cmyk(74.5%, 52.6%, 0%, 24.7%)
CIE-LAB	lab(41.12, 21.08, -57.24)
CIE-LCH	lch(41.12, 61.00, 290.21°)
OKLab	oklab(49.99% -0.0166 -0.1648)
OKLCH	oklch(49.99% 0.166 264.2)
XYZ	xyz(14.5188, 11.9393, 51.3983)
Luminance	0.1194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315BC0 #C09631

analogous

#31A2C0 #315BC0 #4F31C0

triadic

#315BC0 #C0315B #5BC031

tetradic

#315BC0 #C031A2 #C09631 #31C04F

square

#315BC0 #C031A2 #C09631 #31C04F

split-complementary

#315BC0 #C04F31 #A2C031

monochromatic

#182D5E #25448F #315BC0 #597ED5 #8AA4E1

Accessibility & contrast

On white

6.20

#315BC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#315BC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315BC0

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315BC0	#FFFFFF	#000000	##FFFFFF
##315BC0	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1468C4

Deuteranopia (green-blind)

#005BBE

Tritanopia (blue-blind)

#007385

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #315bc0;
/* rgb */ color: rgb(49, 91, 192);
/* oklch */ color: oklch(50.0% 0.166 264.2);

Tailwind

colors: {
  custom: {
    50: '#7d88d4',
    500: '#315bc0',
    950: '#000000',
  },
}

SCSS

$custom: #315bc0;
$custom-light: #7d88d4;
$custom-dark: #000000;

JSON

{
  "hex": "#315bc0",
  "rgb": {
    "r": 49,
    "g": 91,
    "b": 192
  },
  "hsl": {
    "h": 222.378,
    "s": 59.336,
    "l": 47.255
  },
  "oklch": {
    "l": 0.49987,
    "c": 0.16562,
    "h": 264.2
  },
  "luminance": 0.11941
}

Semantic roles & 50–950 ramp

primary

#315BC0

secondary

#CBB682

accent

#B445E3

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #315BC0

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

Preview Lab → · Contrast checker → · Palette generator →