#315BDC#315BDC

#315BDC is a mid, highly saturated blue. Relative luminance 0.133; OKLCH L 52.2% C 0.203 H 265.8°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#315BDC
RGB	rgb(49, 91, 220)
HSL	hsl(225, 71%, 53%)
HSV	hsv(225, 78%, 86%)
CMYK	cmyk(77.7%, 58.6%, 0%, 13.7%)
CIE-LAB	lab(43.21, 31.49, -69.96)
CIE-LCH	lch(43.21, 76.72, 294.23°)
OKLab	oklab(52.22% -0.0149 -0.2022)
OKLCH	oklch(52.22% 0.203 265.8)
XYZ	xyz(17.9214, 13.3004, 69.3190)
Luminance	0.1330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315BDC #DCB231

analogous

#31B1DC #315BDC #5C31DC

triadic

#315BDC #DC315B #5BDC31

tetradic

#315BDC #DC31B1 #DCB231 #31DC5C

square

#315BDC #DC31B1 #DCB231 #31DC5C

split-complementary

#315BDC #DC5C31 #B1DC31

monochromatic

#152F7D #1E42B2 #315BDC #6585E5 #9AAEEE

Accessibility & contrast

On white

5.74

#315BDC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#315BDC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315BDC

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315BDC	#FFFFFF	#000000	##FFFFFF
##315BDC	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EE0

Deuteranopia (green-blind)

#005EDA

Tritanopia (blue-blind)

#007C93

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #315bdc;
/* rgb */ color: rgb(49, 91, 220);
/* oklch */ color: oklch(52.2% 0.203 265.8);

Tailwind

colors: {
  custom: {
    50: '#8388e8',
    500: '#315bdc',
    950: '#000000',
  },
}

SCSS

$custom: #315bdc;
$custom-light: #8388e8;
$custom-dark: #000000;

JSON

{
  "hex": "#315bdc",
  "rgb": {
    "r": 49,
    "g": 91,
    "b": 220
  },
  "hsl": {
    "h": 225.263,
    "s": 70.954,
    "l": 52.745
  },
  "oklch": {
    "l": 0.5222,
    "c": 0.20272,
    "h": 265.8
  },
  "luminance": 0.13302
}

Semantic roles & 50–950 ramp

primary

#315BDC

secondary

#D9C78F

accent

#C23AEE

background

#F8F8FE

surface

#F0EFFD

border

#CBCAD5

text

#0D0B16

muted

#7D7C84

Preview Lab

Preview with #315BDC

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

Preview Lab → · Contrast checker → · Palette generator →