#314F9B#314F9B

#314F9B is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.7% C 0.129 H 265.3°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#314F9B
RGB	rgb(49, 79, 155)
HSL	hsl(223, 52%, 40%)
HSV	hsv(223, 68%, 61%)
CMYK	cmyk(68.4%, 49%, 0%, 39.2%)
CIE-LAB	lab(35.22, 15.07, -44.85)
CIE-LCH	lch(35.22, 47.31, 288.57°)
OKLab	oklab(44.69% -0.0105 -0.1285)
OKLCH	oklch(44.69% 0.129 265.3)
XYZ	xyz(9.9769, 8.6105, 32.1402)
Luminance	0.0861 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#314F9B #9B7D31

analogous

#31849B #314F9B #48319B

triadic

#314F9B #9B314F #4F9B31

tetradic

#314F9B #9B3184 #9B7D31 #319B48

square

#314F9B #9B3184 #9B7D31 #319B48

split-complementary

#314F9B #9B4831 #849B31

monochromatic

#14203E #22376D #314F9B #4569C4 #738ED3

Accessibility & contrast

On white

7.71

#314F9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#314F9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #314F9B

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##314F9B	#FFFFFF	#000000	##FFFFFF
##314F9B	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26589E

Deuteranopia (green-blind)

#0D4E99

Tritanopia (blue-blind)

#00616D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #314f9b;
/* rgb */ color: rgb(49, 79, 155);
/* oklch */ color: oklch(44.7% 0.129 265.3);

Tailwind

colors: {
  custom: {
    50: '#757fb9',
    500: '#314f9b',
    950: '#000000',
  },
}

SCSS

$custom: #314f9b;
$custom-light: #757fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#314f9b",
  "rgb": {
    "r": 49,
    "g": 79,
    "b": 155
  },
  "hsl": {
    "h": 223.019,
    "s": 51.961,
    "l": 40
  },
  "oklch": {
    "l": 0.44687,
    "c": 0.12895,
    "h": 265.3
  },
  "luminance": 0.08611
}

Semantic roles & 50–950 ramp

primary

#314F9B

secondary

#BBA56D

accent

#B34CDB

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #314F9B

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

Preview Lab → · Contrast checker → · Palette generator →