#315CB6#315CB6

#315CB6 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.5% C 0.151 H 262.9°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#315CB6
RGB	rgb(49, 92, 182)
HSL	hsl(221, 58%, 45%)
HSV	hsv(221, 73%, 71%)
CMYK	cmyk(73.1%, 49.5%, 0%, 28.6%)
CIE-LAB	lab(40.71, 16.67, -52.07)
CIE-LCH	lch(40.71, 54.67, 287.75°)
OKLab	oklab(49.45% -0.0186 -0.1495)
OKLCH	oklch(49.45% 0.151 262.9)
XYZ	xyz(13.5343, 11.6832, 45.7887)
Luminance	0.1168 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315CB6 #B68B31

analogous

#319EB6 #315CB6 #4931B6

triadic

#315CB6 #B6315C #5CB631

tetradic

#315CB6 #B6319E #B68B31 #31B649

square

#315CB6 #B6319E #B68B31 #31B649

split-complementary

#315CB6 #B64931 #9EB631

monochromatic

#172B56 #244486 #315CB6 #537CD1 #84A1DE

Accessibility & contrast

On white

6.29

#315CB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#315CB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315CB6

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315CB6	#FFFFFF	#000000	##FFFFFF
##315CB6	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2866B9

Deuteranopia (green-blind)

#005AB4

Tritanopia (blue-blind)

#007180

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #315cb6;
/* rgb */ color: rgb(49, 92, 182);
/* oklch */ color: oklch(49.5% 0.151 262.9);

Tailwind

colors: {
  custom: {
    50: '#7b89cc',
    500: '#315cb6',
    950: '#000000',
  },
}

SCSS

$custom: #315cb6;
$custom-light: #7b89cc;
$custom-dark: #000000;

JSON

{
  "hex": "#315cb6",
  "rgb": {
    "r": 49,
    "g": 92,
    "b": 182
  },
  "hsl": {
    "h": 220.602,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.49454,
    "c": 0.1507,
    "h": 262.9
  },
  "luminance": 0.11685
}

Semantic roles & 50–950 ramp

primary

#315CB6

secondary

#C7AF7C

accent

#AF47E1

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #315CB6

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

Preview Lab → · Contrast checker → · Palette generator →