#315399#315399

#315399 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.4% C 0.121 H 263.0°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#315399
RGB	rgb(49, 83, 153)
HSL	hsl(220, 51%, 40%)
HSV	hsv(220, 68%, 60%)
CMYK	cmyk(68%, 45.8%, 0%, 40%)
CIE-LAB	lab(36.25, 11.67, -42.00)
CIE-LCH	lch(36.25, 43.59, 285.53°)
OKLab	oklab(45.43% -0.0148 -0.1201)
OKLCH	oklch(45.43% 0.121 263)
XYZ	xyz(10.1076, 9.1384, 31.3620)
Luminance	0.0914 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315399 #997731

analogous

#318799 #315399 #433199

triadic

#315399 #993153 #539931

tetradic

#315399 #993187 #997731 #319943

square

#315399 #993187 #997731 #319943

split-complementary

#315399 #994331 #879931

monochromatic

#13213C #223A6B #315399 #446EC3 #7292D2

Accessibility & contrast

On white

7.43

#315399 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#315399 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #315399

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315399	#FFFFFF	#000000	##FFFFFF
##315399	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315A9C

Deuteranopia (green-blind)

#1E5198

Tritanopia (blue-blind)

#00636E

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #315399;
/* rgb */ color: rgb(49, 83, 153);
/* oklch */ color: oklch(45.4% 0.121 263.0);

Tailwind

colors: {
  custom: {
    50: '#7582b7',
    500: '#315399',
    950: '#000000',
  },
}

SCSS

$custom: #315399;
$custom-light: #7582b7;
$custom-dark: #000000;

JSON

{
  "hex": "#315399",
  "rgb": {
    "r": 49,
    "g": 83,
    "b": 153
  },
  "hsl": {
    "h": 220.385,
    "s": 51.485,
    "l": 39.608
  },
  "oklch": {
    "l": 0.45431,
    "c": 0.12097,
    "h": 263
  },
  "luminance": 0.09139
}

Semantic roles & 50–950 ramp

primary

#315399

secondary

#BAA06C

accent

#AC4DDB

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #315399

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

Preview Lab → · Contrast checker → · Palette generator →