#314BB5#314BB5

#314BB5 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.9% C 0.170 H 268.3°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#314BB5
RGB	rgb(49, 75, 181)
HSL	hsl(228, 57%, 45%)
HSV	hsv(228, 73%, 71%)
CMYK	cmyk(72.9%, 58.6%, 0%, 29%)
CIE-LAB	lab(36.02, 27.43, -59.07)
CIE-LCH	lch(36.02, 65.13, 294.91°)
OKLab	oklab(45.89% -0.005 -0.1704)
OKLCH	oklch(45.89% 0.17 268.3)
XYZ	xyz(12.1203, 9.0201, 44.8094)
Luminance	0.0902 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#314BB5 #B59B31

analogous

#318DB5 #314BB5 #5931B5

triadic

#314BB5 #B5314B #4BB531

tetradic

#314BB5 #B5318D #B59B31 #31B559

square

#314BB5 #B5318D #B59B31 #31B559

split-complementary

#314BB5 #B55931 #8DB531

monochromatic

#172355 #243785 #314BB5 #536CD0 #8395DD

Accessibility & contrast

On white

7.49

#314BB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#314BB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #314BB5

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##314BB5	#FFFFFF	#000000	##FFFFFF
##314BB5	1.00	7.49	2.80	7.49
#FFFFFF	7.49	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB9

Deuteranopia (green-blind)

#004FB3

Tritanopia (blue-blind)

#006578

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #314bb5;
/* rgb */ color: rgb(49, 75, 181);
/* oklch */ color: oklch(45.9% 0.170 268.3);

Tailwind

colors: {
  custom: {
    50: '#7b7dcc',
    500: '#314bb5',
    950: '#000000',
  },
}

SCSS

$custom: #314bb5;
$custom-light: #7b7dcc;
$custom-dark: #000000;

JSON

{
  "hex": "#314bb5",
  "rgb": {
    "r": 49,
    "g": 75,
    "b": 181
  },
  "hsl": {
    "h": 228.182,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.4589,
    "c": 0.17047,
    "h": 268.3
  },
  "luminance": 0.09021
}

Semantic roles & 50–950 ramp

primary

#314BB5

secondary

#C7B87B

accent

#C247E1

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #314BB5

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

Preview Lab → · Contrast checker → · Palette generator →