#315AB0#315AB0

#315AB0 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.6% C 0.145 H 263.0°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#315AB0
RGB	rgb(49, 90, 176)
HSL	hsl(221, 56%, 44%)
HSV	hsv(221, 72%, 69%)
CMYK	cmyk(72.2%, 48.9%, 0%, 31%)
CIE-LAB	lab(39.75, 15.71, -50.09)
CIE-LCH	lch(39.75, 52.50, 287.42°)
OKLab	oklab(48.59% -0.0177 -0.1437)
OKLCH	oklch(48.59% 0.145 263)
XYZ	xyz(12.7565, 11.0985, 42.5358)
Luminance	0.1110 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315AB0 #B08731

analogous

#319AB0 #315AB0 #4831B0

triadic

#315AB0 #B0315A #5AB031

tetradic

#315AB0 #B0319A #B08731 #31B048

square

#315AB0 #B0319A #B08731 #31B048

split-complementary

#315AB0 #B04831 #9AB031

monochromatic

#162950 #244280 #315AB0 #5079CE #809DDC

Accessibility & contrast

On white

6.52

#315AB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#315AB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315AB0

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315AB0	#FFFFFF	#000000	##FFFFFF
##315AB0	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A64B3

Deuteranopia (green-blind)

#0158AE

Tritanopia (blue-blind)

#006E7C

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #315ab0;
/* rgb */ color: rgb(49, 90, 176);
/* oklch */ color: oklch(48.6% 0.145 263.0);

Tailwind

colors: {
  custom: {
    50: '#7988c8',
    500: '#315ab0',
    950: '#000000',
  },
}

SCSS

$custom: #315ab0;
$custom-light: #7988c8;
$custom-dark: #000000;

JSON

{
  "hex": "#315ab0",
  "rgb": {
    "r": 49,
    "g": 90,
    "b": 176
  },
  "hsl": {
    "h": 220.63,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.48591,
    "c": 0.14484,
    "h": 263
  },
  "luminance": 0.111
}

Semantic roles & 50–950 ramp

primary

#315AB0

secondary

#C5AC78

accent

#AF48E0

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #315AB0

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

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