#315AC0#315AC0

#315AC0 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.8% C 0.167 H 264.5°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#315AC0
RGB	rgb(49, 90, 192)
HSL	hsl(223, 59%, 47%)
HSV	hsv(223, 74%, 75%)
CMYK	cmyk(74.5%, 53.1%, 0%, 24.7%)
CIE-LAB	lab(40.85, 21.73, -57.68)
CIE-LCH	lch(40.85, 61.64, 290.64°)
OKLab	oklab(49.78% -0.0159 -0.1661)
OKLCH	oklch(49.78% 0.167 264.5)
XYZ	xyz(14.4338, 11.7695, 51.3700)
Luminance	0.1177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315AC0 #C09731

analogous

#31A2C0 #315AC0 #4F31C0

triadic

#315AC0 #C0315A #5AC031

tetradic

#315AC0 #C031A2 #C09731 #31C04F

square

#315AC0 #C031A2 #C09731 #31C04F

split-complementary

#315AC0 #C04F31 #A2C031

monochromatic

#182C5E #25438F #315AC0 #597DD5 #8AA3E1

Accessibility & contrast

On white

6.26

#315AC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#315AC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315AC0

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315AC0	#FFFFFF	#000000	##FFFFFF
##315AC0	1.00	6.26	3.35	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E67C4

Deuteranopia (green-blind)

#005ABE

Tritanopia (blue-blind)

#007384

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #315ac0;
/* rgb */ color: rgb(49, 90, 192);
/* oklch */ color: oklch(49.8% 0.167 264.5);

Tailwind

colors: {
  custom: {
    50: '#7d88d4',
    500: '#315ac0',
    950: '#000000',
  },
}

SCSS

$custom: #315ac0;
$custom-light: #7d88d4;
$custom-dark: #000000;

JSON

{
  "hex": "#315ac0",
  "rgb": {
    "r": 49,
    "g": 90,
    "b": 192
  },
  "hsl": {
    "h": 222.797,
    "s": 59.336,
    "l": 47.255
  },
  "oklch": {
    "l": 0.4978,
    "c": 0.16686,
    "h": 264.5
  },
  "luminance": 0.11771
}

Semantic roles & 50–950 ramp

primary

#315AC0

secondary

#CBB682

accent

#B545E3

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #315AC0

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

Preview Lab → · Contrast checker → · Palette generator →