#315DAC#315DAC

#315DAC is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.0% C 0.136 H 261.1°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#315DAC
RGB	rgb(49, 93, 172)
HSL	hsl(219, 56%, 43%)
HSV	hsv(219, 72%, 67%)
CMYK	cmyk(71.5%, 45.9%, 0%, 32.5%)
CIE-LAB	lab(40.34, 12.25, -46.77)
CIE-LCH	lch(40.34, 48.35, 284.68°)
OKLab	oklab(48.97% -0.0211 -0.1339)
OKLCH	oklch(48.97% 0.136 261.1)
XYZ	xyz(12.6247, 11.4589, 40.5682)
Luminance	0.1146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315DAC #AC8031

analogous

#319AAC #315DAC #4331AC

triadic

#315DAC #AC315D #5DAC31

tetradic

#315DAC #AC319A #AC8031 #31AC43

square

#315DAC #AC319A #AC8031 #31AC43

split-complementary

#315DAC #AC4331 #9AAC31

monochromatic

#16294D #23437C #315DAC #4E7BCC #7D9FDA

Accessibility & contrast

On white

6.38

#315DAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#315DAC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315DAC

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315DAC	#FFFFFF	#000000	##FFFFFF
##315DAC	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3565AF

Deuteranopia (green-blind)

#1C5AAA

Tritanopia (blue-blind)

#006F7C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #315dac;
/* rgb */ color: rgb(49, 93, 172);
/* oklch */ color: oklch(49.0% 0.136 261.1);

Tailwind

colors: {
  custom: {
    50: '#788ac5',
    500: '#315dac',
    950: '#000000',
  },
}

SCSS

$custom: #315dac;
$custom-light: #788ac5;
$custom-dark: #000000;

JSON

{
  "hex": "#315dac",
  "rgb": {
    "r": 49,
    "g": 93,
    "b": 172
  },
  "hsl": {
    "h": 218.537,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.48966,
    "c": 0.13559,
    "h": 261.1
  },
  "luminance": 0.1146
}

Semantic roles & 50–950 ramp

primary

#315DAC

secondary

#C3A776

accent

#A949DF

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #315DAC

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

Preview Lab → · Contrast checker → · Palette generator →