#315EAB#315EAB

#315EAB is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.1% C 0.133 H 260.4°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#315EAB
RGB	rgb(49, 94, 171)
HSL	hsl(218, 55%, 43%)
HSV	hsv(218, 71%, 67%)
CMYK	cmyk(71.3%, 45%, 0%, 32.9%)
CIE-LAB	lab(40.57, 11.23, -45.82)
CIE-LCH	lch(40.57, 47.18, 283.77°)
OKLab	oklab(49.12% -0.0222 -0.1311)
OKLCH	oklch(49.12% 0.133 260.4)
XYZ	xyz(12.6174, 11.5973, 40.0937)
Luminance	0.1160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315EAB #AB7E31

analogous

#319BAB #315EAB #4131AB

triadic

#315EAB #AB315E #5EAB31

tetradic

#315EAB #AB319B #AB7E31 #31AB41

square

#315EAB #AB319B #AB7E31 #31AB41

split-complementary

#315EAB #AB4131 #9BAB31

monochromatic

#162A4C #23447B #315EAB #4D7CCC #7D9FDA

Accessibility & contrast

On white

6.33

#315EAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#315EAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315EAB

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315EAB	#FFFFFF	#000000	##FFFFFF
##315EAB	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3866AE

Deuteranopia (green-blind)

#205AA9

Tritanopia (blue-blind)

#00707C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #315eab;
/* rgb */ color: rgb(49, 94, 171);
/* oklch */ color: oklch(49.1% 0.133 260.4);

Tailwind

colors: {
  custom: {
    50: '#788bc4',
    500: '#315eab',
    950: '#000000',
  },
}

SCSS

$custom: #315eab;
$custom-light: #788bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#315eab",
  "rgb": {
    "r": 49,
    "g": 94,
    "b": 171
  },
  "hsl": {
    "h": 217.869,
    "s": 55.455,
    "l": 43.137
  },
  "oklch": {
    "l": 0.4912,
    "c": 0.13298,
    "h": 260.4
  },
  "luminance": 0.11599
}

Semantic roles & 50–950 ramp

primary

#315EAB

secondary

#C2A675

accent

#A849DF

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #315EAB

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

Preview Lab → · Contrast checker → · Palette generator →