#315BA6#315BA6

#315BA6 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.1% C 0.130 H 261.0°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#315BA6
RGB	rgb(49, 91, 166)
HSL	hsl(218, 54%, 42%)
HSV	hsv(218, 70%, 65%)
CMYK	cmyk(70.5%, 45.2%, 0%, 34.9%)
CIE-LAB	lab(39.39, 11.30, -44.75)
CIE-LCH	lch(39.39, 46.15, 284.18°)
OKLab	oklab(48.11% -0.0203 -0.128)
OKLCH	oklch(48.11% 0.13 261)
XYZ	xyz(11.8882, 10.8871, 37.5439)
Luminance	0.1089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315BA6 #A67C31

analogous

#3195A6 #315BA6 #4231A6

triadic

#315BA6 #A6315B #5BA631

tetradic

#315BA6 #A63195 #A67C31 #31A642

square

#315BA6 #A63195 #A67C31 #31A642

split-complementary

#315BA6 #A64231 #95A631

monochromatic

#152747 #234177 #315BA6 #4A78CA #7A9BD8

Accessibility & contrast

On white

6.61

#315BA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#315BA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315BA6

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315BA6	#FFFFFF	#000000	##FFFFFF
##315BA6	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3663A9

Deuteranopia (green-blind)

#2058A4

Tritanopia (blue-blind)

#006C78

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #315ba6;
/* rgb */ color: rgb(49, 91, 166);
/* oklch */ color: oklch(48.1% 0.130 261.0);

Tailwind

colors: {
  custom: {
    50: '#7788c1',
    500: '#315ba6',
    950: '#000000',
  },
}

SCSS

$custom: #315ba6;
$custom-light: #7788c1;
$custom-dark: #000000;

JSON

{
  "hex": "#315ba6",
  "rgb": {
    "r": 49,
    "g": 91,
    "b": 166
  },
  "hsl": {
    "h": 218.462,
    "s": 54.419,
    "l": 42.157
  },
  "oklch": {
    "l": 0.48111,
    "c": 0.12961,
    "h": 261
  },
  "luminance": 0.10888
}

Semantic roles & 50–950 ramp

primary

#315BA6

secondary

#C0A473

accent

#A94ADE

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #315BA6

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

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