#315BA4#315BA4

#315BA4 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.0% C 0.127 H 260.6°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#315BA4
RGB	rgb(49, 91, 164)
HSL	hsl(218, 54%, 42%)
HSV	hsv(218, 70%, 64%)
CMYK	cmyk(70.1%, 44.5%, 0%, 35.7%)
CIE-LAB	lab(39.27, 10.55, -43.76)
CIE-LCH	lch(39.27, 45.01, 283.56°)
OKLab	oklab(47.98% -0.0206 -0.1251)
OKLCH	oklch(47.98% 0.127 260.6)
XYZ	xyz(11.7062, 10.8143, 36.5852)
Luminance	0.1081 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315BA4 #A47A31

analogous

#3195A4 #315BA4 #4131A4

triadic

#315BA4 #A4315B #5BA431

tetradic

#315BA4 #A43195 #A47A31 #31A441

square

#315BA4 #A43195 #A47A31 #31A441

split-complementary

#315BA4 #A44131 #95A431

monochromatic

#152746 #234175 #315BA4 #4978C9 #799BD7

Accessibility & contrast

On white

6.64

#315BA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#315BA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315BA4

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315BA4	#FFFFFF	#000000	##FFFFFF
##315BA4	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3762A7

Deuteranopia (green-blind)

#2358A3

Tritanopia (blue-blind)

#006C77

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #315ba4;
/* rgb */ color: rgb(49, 91, 164);
/* oklch */ color: oklch(48.0% 0.127 260.6);

Tailwind

colors: {
  custom: {
    50: '#7788bf',
    500: '#315ba4',
    950: '#000000',
  },
}

SCSS

$custom: #315ba4;
$custom-light: #7788bf;
$custom-dark: #000000;

JSON

{
  "hex": "#315ba4",
  "rgb": {
    "r": 49,
    "g": 91,
    "b": 164
  },
  "hsl": {
    "h": 218.087,
    "s": 53.991,
    "l": 41.765
  },
  "oklch": {
    "l": 0.47975,
    "c": 0.12679,
    "h": 260.6
  },
  "luminance": 0.10815
}

Semantic roles & 50–950 ramp

primary

#315BA4

secondary

#BFA372

accent

#A84ADD

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #315BA4

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

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