#315CBA#315CBA

#315CBA is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.7% C 0.156 H 263.3°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#315CBA
RGB	rgb(49, 92, 186)
HSL	hsl(221, 58%, 46%)
HSV	hsv(221, 74%, 73%)
CMYK	cmyk(73.7%, 50.5%, 0%, 27.1%)
CIE-LAB	lab(40.98, 18.17, -53.97)
CIE-LCH	lch(40.98, 56.95, 288.61°)
OKLab	oklab(49.75% -0.0181 -0.1551)
OKLCH	oklch(49.75% 0.156 263.3)
XYZ	xyz(13.9535, 11.8509, 47.9969)
Luminance	0.1185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315CBA #BA8F31

analogous

#31A0BA #315CBA #4A31BA

triadic

#315CBA #BA315C #5CBA31

tetradic

#315CBA #BA31A0 #BA8F31 #31BA4A

square

#315CBA #BA31A0 #BA8F31 #31BA4A

split-complementary

#315CBA #BA4A31 #A0BA31

monochromatic

#172C59 #24448A #315CBA #567DD2 #86A2DF

Accessibility & contrast

On white

6.23

#315CBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#315CBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315CBA

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315CBA	#FFFFFF	#000000	##FFFFFF
##315CBA	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2367BD

Deuteranopia (green-blind)

#005BB8

Tritanopia (blue-blind)

#007282

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #315cba;
/* rgb */ color: rgb(49, 92, 186);
/* oklch */ color: oklch(49.7% 0.156 263.3);

Tailwind

colors: {
  custom: {
    50: '#7b89cf',
    500: '#315cba',
    950: '#000000',
  },
}

SCSS

$custom: #315cba;
$custom-light: #7b89cf;
$custom-dark: #000000;

JSON

{
  "hex": "#315cba",
  "rgb": {
    "r": 49,
    "g": 92,
    "b": 186
  },
  "hsl": {
    "h": 221.168,
    "s": 58.298,
    "l": 46.078
  },
  "oklch": {
    "l": 0.49747,
    "c": 0.15619,
    "h": 263.3
  },
  "luminance": 0.11852
}

Semantic roles & 50–950 ramp

primary

#315CBA

secondary

#C9B17E

accent

#B146E2

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #315CBA

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

Preview Lab → · Contrast checker → · Palette generator →