#315AA3#315AA3

#315AA3 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 47.7% C 0.127 H 261.0°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#315AA3
RGB	rgb(49, 90, 163)
HSL	hsl(218, 54%, 42%)
HSV	hsv(218, 70%, 64%)
CMYK	cmyk(69.9%, 44.8%, 0%, 36.1%)
CIE-LAB	lab(38.91, 10.83, -43.73)
CIE-LCH	lch(38.91, 45.05, 283.91°)
OKLab	oklab(47.68% -0.0199 -0.125)
OKLCH	oklch(47.68% 0.127 261)
XYZ	xyz(11.5313, 10.6085, 36.0832)
Luminance	0.1061 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315AA3 #A37A31

analogous

#3193A3 #315AA3 #4131A3

triadic

#315AA3 #A3315A #5AA331

tetradic

#315AA3 #A33193 #A37A31 #31A341

square

#315AA3 #A33193 #A37A31 #31A341

split-complementary

#315AA3 #A34131 #93A331

monochromatic

#152645 #234074 #315AA3 #4977C8 #789AD6

Accessibility & contrast

On white

6.73

#315AA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#315AA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315AA3

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315AA3	#FFFFFF	#000000	##FFFFFF
##315AA3	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3661A6

Deuteranopia (green-blind)

#2257A2

Tritanopia (blue-blind)

#006B76

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #315aa3;
/* rgb */ color: rgb(49, 90, 163);
/* oklch */ color: oklch(47.7% 0.127 261.0);

Tailwind

colors: {
  custom: {
    50: '#7788bf',
    500: '#315aa3',
    950: '#000000',
  },
}

SCSS

$custom: #315aa3;
$custom-light: #7788bf;
$custom-dark: #000000;

JSON

{
  "hex": "#315aa3",
  "rgb": {
    "r": 49,
    "g": 90,
    "b": 163
  },
  "hsl": {
    "h": 218.421,
    "s": 53.774,
    "l": 41.569
  },
  "oklch": {
    "l": 0.47683,
    "c": 0.1266,
    "h": 261
  },
  "luminance": 0.1061
}

Semantic roles & 50–950 ramp

primary

#315AA3

secondary

#BFA371

accent

#A84BDD

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #315AA3

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

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