#315AB8#315AB8

#315AB8 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.2% C 0.156 H 263.9°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#315AB8
RGB	rgb(49, 90, 184)
HSL	hsl(222, 58%, 46%)
HSV	hsv(222, 73%, 72%)
CMYK	cmyk(73.4%, 51.1%, 0%, 27.8%)
CIE-LAB	lab(40.29, 18.72, -53.92)
CIE-LCH	lch(40.29, 57.08, 289.15°)
OKLab	oklab(49.18% -0.0167 -0.155)
OKLCH	oklch(49.18% 0.156 263.9)
XYZ	xyz(13.5714, 11.4245, 46.8280)
Luminance	0.1143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315AB8 #B88F31

analogous

#319DB8 #315AB8 #4B31B8

triadic

#315AB8 #B8315A #5AB831

tetradic

#315AB8 #B8319D #B88F31 #31B84B

square

#315AB8 #B8319D #B88F31 #31B84B

split-complementary

#315AB8 #B84B31 #9DB831

monochromatic

#172B57 #244288 #315AB8 #557BD2 #85A0DE

Accessibility & contrast

On white

6.39

#315AB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#315AB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315AB8

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315AB8	#FFFFFF	#000000	##FFFFFF
##315AB8	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2065BB

Deuteranopia (green-blind)

#0059B6

Tritanopia (blue-blind)

#007080

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #315ab8;
/* rgb */ color: rgb(49, 90, 184);
/* oklch */ color: oklch(49.2% 0.156 263.9);

Tailwind

colors: {
  custom: {
    50: '#7b88ce',
    500: '#315ab8',
    950: '#000000',
  },
}

SCSS

$custom: #315ab8;
$custom-light: #7b88ce;
$custom-dark: #000000;

JSON

{
  "hex": "#315ab8",
  "rgb": {
    "r": 49,
    "g": 90,
    "b": 184
  },
  "hsl": {
    "h": 221.778,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.49176,
    "c": 0.15592,
    "h": 263.9
  },
  "luminance": 0.11426
}

Semantic roles & 50–950 ramp

primary

#315AB8

secondary

#C8B17D

accent

#B247E1

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #315AB8

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

Preview Lab → · Contrast checker → · Palette generator →