#315CB2#315CB2

#315CB2 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.2% C 0.145 H 262.4°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#315CB2
RGB	rgb(49, 92, 178)
HSL	hsl(220, 57%, 45%)
HSV	hsv(220, 72%, 70%)
CMYK	cmyk(72.5%, 48.3%, 0%, 30.2%)
CIE-LAB	lab(40.44, 15.16, -50.15)
CIE-LCH	lch(40.44, 52.39, 286.82°)
OKLab	oklab(49.17% -0.0192 -0.1439)
OKLCH	oklch(49.17% 0.145 262.4)
XYZ	xyz(13.1268, 11.5202, 43.6427)
Luminance	0.1152 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315CB2 #B28731

analogous

#319DB2 #315CB2 #4731B2

triadic

#315CB2 #B2315C #5CB231

tetradic

#315CB2 #B2319D #B28731 #31B247

square

#315CB2 #B2319D #B28731 #31B247

split-complementary

#315CB2 #B24731 #9DB231

monochromatic

#172A52 #244382 #315CB2 #517BCF #819FDC

Accessibility & contrast

On white

6.36

#315CB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#315CB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315CB2

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315CB2	#FFFFFF	#000000	##FFFFFF
##315CB2	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D66B5

Deuteranopia (green-blind)

#065AB0

Tritanopia (blue-blind)

#00707E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #315cb2;
/* rgb */ color: rgb(49, 92, 178);
/* oklch */ color: oklch(49.2% 0.145 262.4);

Tailwind

colors: {
  custom: {
    50: '#7a89ca',
    500: '#315cb2',
    950: '#000000',
  },
}

SCSS

$custom: #315cb2;
$custom-light: #7a89ca;
$custom-dark: #000000;

JSON

{
  "hex": "#315cb2",
  "rgb": {
    "r": 49,
    "g": 92,
    "b": 178
  },
  "hsl": {
    "h": 220,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.49167,
    "c": 0.14516,
    "h": 262.4
  },
  "luminance": 0.11522
}

Semantic roles & 50–950 ramp

primary

#315CB2

secondary

#C5AC79

accent

#AD48E0

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #315CB2

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

Preview Lab → · Contrast checker → · Palette generator →