#315DBD#315DBD

#315DBD is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.2% C 0.159 H 263.3°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#315DBD
RGB	rgb(49, 93, 189)
HSL	hsl(221, 59%, 47%)
HSV	hsv(221, 74%, 74%)
CMYK	cmyk(74.1%, 50.8%, 0%, 25.9%)
CIE-LAB	lab(41.46, 18.65, -54.95)
CIE-LCH	lch(41.46, 58.02, 288.75°)
OKLab	oklab(50.18% -0.0186 -0.158)
OKLCH	oklch(50.18% 0.159 263.3)
XYZ	xyz(14.3630, 12.1542, 49.7233)
Luminance	0.1216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315DBD #BD9131

analogous

#31A3BD #315DBD #4B31BD

triadic

#315DBD #BD315D #5DBD31

tetradic

#315DBD #BD31A3 #BD9131 #31BD4B

square

#315DBD #BD31A3 #BD9131 #31BD4B

split-complementary

#315DBD #BD4B31 #A3BD31

monochromatic

#182D5C #24458C #315DBD #587FD4 #88A4E0

Accessibility & contrast

On white

6.12

#315DBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#315DBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315DBD

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315DBD	#FFFFFF	#000000	##FFFFFF
##315DBD	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2269C0

Deuteranopia (green-blind)

#005CBB

Tritanopia (blue-blind)

#007484

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #315dbd;
/* rgb */ color: rgb(49, 93, 189);
/* oklch */ color: oklch(50.2% 0.159 263.3);

Tailwind

colors: {
  custom: {
    50: '#7c8ad1',
    500: '#315dbd',
    950: '#000000',
  },
}

SCSS

$custom: #315dbd;
$custom-light: #7c8ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#315dbd",
  "rgb": {
    "r": 49,
    "g": 93,
    "b": 189
  },
  "hsl": {
    "h": 221.143,
    "s": 58.824,
    "l": 46.667
  },
  "oklch": {
    "l": 0.50179,
    "c": 0.15908,
    "h": 263.3
  },
  "luminance": 0.12156
}

Semantic roles & 50–950 ramp

primary

#315DBD

secondary

#CAB380

accent

#B146E2

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #315DBD

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

Preview Lab → · Contrast checker → · Palette generator →