#315CAB#315CAB

#315CAB is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.7% C 0.135 H 261.4°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#315CAB
RGB	rgb(49, 92, 171)
HSL	hsl(219, 55%, 43%)
HSV	hsv(219, 71%, 67%)
CMYK	cmyk(71.3%, 46.2%, 0%, 32.9%)
CIE-LAB	lab(39.99, 12.53, -46.74)
CIE-LCH	lch(39.99, 48.39, 285.00°)
OKLab	oklab(48.68% -0.0203 -0.1339)
OKLCH	oklch(48.68% 0.135 261.4)
XYZ	xyz(12.4418, 11.2462, 40.0352)
Luminance	0.1125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315CAB #AB8031

analogous

#3199AB #315CAB #4331AB

triadic

#315CAB #AB315C #5CAB31

tetradic

#315CAB #AB3199 #AB8031 #31AB43

square

#315CAB #AB3199 #AB8031 #31AB43

split-complementary

#315CAB #AB4331 #99AB31

monochromatic

#16294C #23427B #315CAB #4D7ACC #7D9DDA

Accessibility & contrast

On white

6.46

#315CAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#315CAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315CAB

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315CAB	#FFFFFF	#000000	##FFFFFF
##315CAB	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3464AE

Deuteranopia (green-blind)

#1A59A9

Tritanopia (blue-blind)

#006E7B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #315cab;
/* rgb */ color: rgb(49, 92, 171);
/* oklch */ color: oklch(48.7% 0.135 261.4);

Tailwind

colors: {
  custom: {
    50: '#7889c4',
    500: '#315cab',
    950: '#000000',
  },
}

SCSS

$custom: #315cab;
$custom-light: #7889c4;
$custom-dark: #000000;

JSON

{
  "hex": "#315cab",
  "rgb": {
    "r": 49,
    "g": 92,
    "b": 171
  },
  "hsl": {
    "h": 218.852,
    "s": 55.455,
    "l": 43.137
  },
  "oklch": {
    "l": 0.48675,
    "c": 0.1354,
    "h": 261.4
  },
  "luminance": 0.11248
}

Semantic roles & 50–950 ramp

primary

#315CAB

secondary

#C2A775

accent

#AA49DF

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #315CAB

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

Preview Lab → · Contrast checker → · Palette generator →