#315C99#315C99

#315C99 is a mid, moderate blue. Relative luminance 0.106; OKLCH L 47.5% C 0.110 H 257.4°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#315C99
RGB	rgb(49, 92, 153)
HSL	hsl(215, 51%, 40%)
HSV	hsv(215, 68%, 60%)
CMYK	cmyk(68%, 39.9%, 0%, 40%)
CIE-LAB	lab(38.91, 5.81, -37.75)
CIE-LCH	lch(38.91, 38.20, 278.75°)
OKLab	oklab(47.49% -0.024 -0.1075)
OKLCH	oklch(47.49% 0.11 257.4)
XYZ	xyz(10.8415, 10.6061, 31.6066)
Luminance	0.1061 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315C99 #996E31

analogous

#319099 #315C99 #3A3199

triadic

#315C99 #99315C #5C9931

tetradic

#315C99 #993190 #996E31 #31993A

square

#315C99 #993190 #996E31 #31993A

split-complementary

#315C99 #993A31 #909931

monochromatic

#13243C #22406B #315C99 #4479C3 #729AD2

Accessibility & contrast

On white

6.73

#315C99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#315C99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315C99

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315C99	#FFFFFF	#000000	##FFFFFF
##315C99	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41619B

Deuteranopia (green-blind)

#315798

Tritanopia (blue-blind)

#006A73

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #315c99;
/* rgb */ color: rgb(49, 92, 153);
/* oklch */ color: oklch(47.5% 0.110 257.4);

Tailwind

colors: {
  custom: {
    50: '#7589b7',
    500: '#315c99',
    950: '#000000',
  },
}

SCSS

$custom: #315c99;
$custom-light: #7589b7;
$custom-dark: #000000;

JSON

{
  "hex": "#315c99",
  "rgb": {
    "r": 49,
    "g": 92,
    "b": 153
  },
  "hsl": {
    "h": 215.192,
    "s": 51.485,
    "l": 39.608
  },
  "oklch": {
    "l": 0.47487,
    "c": 0.11012,
    "h": 257.4
  },
  "luminance": 0.10607
}

Semantic roles & 50–950 ramp

primary

#315C99

secondary

#BA9A6C

accent

#A04DDB

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #315C99

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

Preview Lab → · Contrast checker → · Palette generator →