#315EAA#315EAA

#315EAA is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.1% C 0.132 H 260.2°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#315EAA
RGB	rgb(49, 94, 170)
HSL	hsl(218, 55%, 43%)
HSV	hsv(218, 71%, 67%)
CMYK	cmyk(71.2%, 44.7%, 0%, 33.3%)
CIE-LAB	lab(40.51, 10.86, -45.33)
CIE-LCH	lch(40.51, 46.61, 283.47°)
OKLab	oklab(49.05% -0.0224 -0.1297)
OKLCH	oklch(49.05% 0.132 260.2)
XYZ	xyz(12.5224, 11.5593, 39.5936)
Luminance	0.1156 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315EAA #AA7D31

analogous

#319AAA #315EAA #4031AA

triadic

#315EAA #AA315E #5EAA31

tetradic

#315EAA #AA319A #AA7D31 #31AA40

square

#315EAA #AA319A #AA7D31 #31AA40

split-complementary

#315EAA #AA4031 #9AAA31

monochromatic

#16294B #23447A #315EAA #4D7CCC #7C9FD9

Accessibility & contrast

On white

6.34

#315EAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#315EAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315EAA

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315EAA	#FFFFFF	#000000	##FFFFFF
##315EAA	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3865AD

Deuteranopia (green-blind)

#225AA8

Tritanopia (blue-blind)

#00707B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #315eaa;
/* rgb */ color: rgb(49, 94, 170);
/* oklch */ color: oklch(49.1% 0.132 260.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#315eaa",
  "rgb": {
    "r": 49,
    "g": 94,
    "b": 170
  },
  "hsl": {
    "h": 217.686,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.49052,
    "c": 0.13158,
    "h": 260.2
  },
  "luminance": 0.11561
}

Semantic roles & 50–950 ramp

primary

#315EAA

secondary

#C2A575

accent

#A749DF

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #315EAA

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

Preview Lab → · Contrast checker → · Palette generator →