#315FB0#315FB0

#315FB0 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 49.7% C 0.139 H 260.8°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#315FB0
RGB	rgb(49, 95, 176)
HSL	hsl(218, 56%, 44%)
HSV	hsv(218, 72%, 69%)
CMYK	cmyk(72.2%, 46%, 0%, 31%)
CIE-LAB	lab(41.17, 12.46, -47.80)
CIE-LCH	lch(41.17, 49.40, 284.61°)
OKLab	oklab(49.68% -0.0222 -0.1369)
OKLCH	oklch(49.68% 0.139 260.8)
XYZ	xyz(13.1925, 11.9706, 42.6812)
Luminance	0.1197 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315FB0 #B08231

analogous

#319FB0 #315FB0 #4331B0

triadic

#315FB0 #B0315F #5FB031

tetradic

#315FB0 #B0319F #B08231 #31B043

square

#315FB0 #B0319F #B08231 #31B043

split-complementary

#315FB0 #B04331 #9FB031

monochromatic

#162B50 #244580 #315FB0 #507ECE #80A1DC

Accessibility & contrast

On white

6.19

#315FB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#315FB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315FB0

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315FB0	#FFFFFF	#000000	##FFFFFF
##315FB0	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3567B3

Deuteranopia (green-blind)

#1B5CAE

Tritanopia (blue-blind)

#00727F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #315fb0;
/* rgb */ color: rgb(49, 95, 176);
/* oklch */ color: oklch(49.7% 0.139 260.8);

Tailwind

colors: {
  custom: {
    50: '#798bc8',
    500: '#315fb0',
    950: '#000000',
  },
}

SCSS

$custom: #315fb0;
$custom-light: #798bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#315fb0",
  "rgb": {
    "r": 49,
    "g": 95,
    "b": 176
  },
  "hsl": {
    "h": 218.268,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.49683,
    "c": 0.13873,
    "h": 260.8
  },
  "luminance": 0.11972
}

Semantic roles & 50–950 ramp

primary

#315FB0

secondary

#C5A978

accent

#A948E0

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #315FB0

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

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