#315B97#315B97

#315B97 is a mid, moderate blue. Relative luminance 0.104; OKLCH L 47.1% C 0.108 H 257.5°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#315B97
RGB	rgb(49, 91, 151)
HSL	hsl(215, 51%, 39%)
HSV	hsv(215, 68%, 59%)
CMYK	cmyk(67.5%, 39.7%, 0%, 40.8%)
CIE-LAB	lab(38.50, 5.71, -37.21)
CIE-LCH	lch(38.50, 37.65, 278.73°)
OKLab	oklab(47.13% -0.0234 -0.1059)
OKLCH	oklch(47.13% 0.108 257.5)
XYZ	xyz(10.5916, 10.3685, 30.7153)
Luminance	0.1037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315B97 #976D31

analogous

#318E97 #315B97 #3A3197

triadic

#315B97 #97315B #5B9731

tetradic

#315B97 #97318E #976D31 #31973A

square

#315B97 #97318E #976D31 #31973A

split-complementary

#315B97 #973A31 #8E9731

monochromatic

#13233B #223F69 #315B97 #4377C2 #7199D1

Accessibility & contrast

On white

6.83

#315B97 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#315B97 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315B97

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315B97	#FFFFFF	#000000	##FFFFFF
##315B97	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#406099

Deuteranopia (green-blind)

#315696

Tritanopia (blue-blind)

#006971

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #315b97;
/* rgb */ color: rgb(49, 91, 151);
/* oklch */ color: oklch(47.1% 0.108 257.5);

Tailwind

colors: {
  custom: {
    50: '#7489b6',
    500: '#315b97',
    950: '#000000',
  },
}

SCSS

$custom: #315b97;
$custom-light: #7489b6;
$custom-dark: #000000;

JSON

{
  "hex": "#315b97",
  "rgb": {
    "r": 49,
    "g": 91,
    "b": 151
  },
  "hsl": {
    "h": 215.294,
    "s": 51,
    "l": 39.216
  },
  "oklch": {
    "l": 0.47129,
    "c": 0.10845,
    "h": 257.5
  },
  "luminance": 0.1037
}

Semantic roles & 50–950 ramp

primary

#315B97

secondary

#B9996B

accent

#A04DDA

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #315B97

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

Preview Lab → · Contrast checker → · Palette generator →