#315DAA#315DAA

#315DAA is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.8% C 0.133 H 260.7°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#315DAA
RGB	rgb(49, 93, 170)
HSL	hsl(218, 55%, 43%)
HSV	hsv(218, 71%, 67%)
CMYK	cmyk(71.2%, 45.3%, 0%, 33.3%)
CIE-LAB	lab(40.22, 11.50, -45.79)
CIE-LCH	lch(40.22, 47.21, 284.10°)
OKLab	oklab(48.83% -0.0214 -0.131)
OKLCH	oklch(48.83% 0.133 260.7)
XYZ	xyz(12.4341, 11.3826, 39.5642)
Luminance	0.1138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315DAA #AA7E31

analogous

#3199AA #315DAA #4231AA

triadic

#315DAA #AA315D #5DAA31

tetradic

#315DAA #AA3199 #AA7E31 #31AA42

square

#315DAA #AA3199 #AA7E31 #31AA42

split-complementary

#315DAA #AA4231 #99AA31

monochromatic

#16294B #23437A #315DAA #4D7BCC #7C9ED9

Accessibility & contrast

On white

6.41

#315DAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#315DAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315DAA

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315DAA	#FFFFFF	#000000	##FFFFFF
##315DAA	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3665AD

Deuteranopia (green-blind)

#1F5AA8

Tritanopia (blue-blind)

#006F7B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #315daa;
/* rgb */ color: rgb(49, 93, 170);
/* oklch */ color: oklch(48.8% 0.133 260.7);

Tailwind

colors: {
  custom: {
    50: '#788ac4',
    500: '#315daa',
    950: '#000000',
  },
}

SCSS

$custom: #315daa;
$custom-light: #788ac4;
$custom-dark: #000000;

JSON

{
  "hex": "#315daa",
  "rgb": {
    "r": 49,
    "g": 93,
    "b": 170
  },
  "hsl": {
    "h": 218.182,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.48829,
    "c": 0.13279,
    "h": 260.7
  },
  "luminance": 0.11384
}

Semantic roles & 50–950 ramp

primary

#315DAA

secondary

#C2A675

accent

#A849DF

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #315DAA

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

Preview Lab → · Contrast checker → · Palette generator →