#315ABF#315ABF

#315ABF is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.7% C 0.165 H 264.5°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#315ABF
RGB	rgb(49, 90, 191)
HSL	hsl(223, 59%, 47%)
HSV	hsv(223, 74%, 75%)
CMYK	cmyk(74.3%, 52.9%, 0%, 25.1%)
CIE-LAB	lab(40.78, 21.35, -57.22)
CIE-LCH	lch(40.78, 61.07, 290.46°)
OKLab	oklab(49.7% -0.0159 -0.1647)
OKLCH	oklch(49.7% 0.165 264.5)
XYZ	xyz(14.3234, 11.7253, 50.7884)
Luminance	0.1173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315ABF #BF9631

analogous

#31A1BF #315ABF #4F31BF

triadic

#315ABF #BF315A #5ABF31

tetradic

#315ABF #BF31A1 #BF9631 #31BF4F

square

#315ABF #BF31A1 #BF9631 #31BF4F

split-complementary

#315ABF #BF4F31 #A1BF31

monochromatic

#182C5E #25438E #315ABF #597DD4 #8AA3E1

Accessibility & contrast

On white

6.28

#315ABF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#315ABF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315ABF

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315ABF	#FFFFFF	#000000	##FFFFFF
##315ABF	1.00	6.28	3.35	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1167C3

Deuteranopia (green-blind)

#005ABD

Tritanopia (blue-blind)

#007284

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #315abf;
/* rgb */ color: rgb(49, 90, 191);
/* oklch */ color: oklch(49.7% 0.165 264.5);

Tailwind

colors: {
  custom: {
    50: '#7d88d3',
    500: '#315abf',
    950: '#000000',
  },
}

SCSS

$custom: #315abf;
$custom-light: #7d88d3;
$custom-dark: #000000;

JSON

{
  "hex": "#315abf",
  "rgb": {
    "r": 49,
    "g": 90,
    "b": 191
  },
  "hsl": {
    "h": 222.676,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.49704,
    "c": 0.16549,
    "h": 264.5
  },
  "luminance": 0.11727
}

Semantic roles & 50–950 ramp

primary

#315ABF

secondary

#CBB581

accent

#B545E2

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #315ABF

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

Preview Lab → · Contrast checker → · Palette generator →