#2F499B#2F499B

#2F499B is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.3% C 0.137 H 267.2°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#2F499B
RGB	rgb(47, 73, 155)
HSL	hsl(226, 53%, 40%)
HSV	hsv(226, 70%, 61%)
CMYK	cmyk(69.7%, 52.9%, 0%, 39.2%)
CIE-LAB	lab(33.42, 18.75, -47.75)
CIE-LCH	lch(33.42, 51.30, 291.44°)
OKLab	oklab(43.29% -0.0067 -0.1372)
OKLCH	oklch(43.29% 0.137 267.2)
XYZ	xyz(9.4692, 7.7351, 31.9980)
Luminance	0.0774 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F499B #9B812F

analogous

#2F7F9B #2F499B #4B2F9B

triadic

#2F499B #9B2F49 #499B2F

tetradic

#2F499B #9B2F7F #9B812F #2F9B4B

square

#2F499B #9B2F7F #9B812F #2F9B4B

split-complementary

#2F499B #9B4B2F #7F9B2F

monochromatic

#131D3D #21336C #2F499B #4261C6 #7188D4

Accessibility & contrast

On white

8.24

#2F499B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#2F499B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F499B

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F499B	#FFFFFF	#000000	##FFFFFF
##2F499B	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15549E

Deuteranopia (green-blind)

#004A99

Tritanopia (blue-blind)

#005C6B

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2f499b;
/* rgb */ color: rgb(47, 73, 155);
/* oklch */ color: oklch(43.3% 0.137 267.2);

Tailwind

colors: {
  custom: {
    50: '#757bb9',
    500: '#2f499b',
    950: '#000000',
  },
}

SCSS

$custom: #2f499b;
$custom-light: #757bb9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f499b",
  "rgb": {
    "r": 47,
    "g": 73,
    "b": 155
  },
  "hsl": {
    "h": 225.556,
    "s": 53.465,
    "l": 39.608
  },
  "oklch": {
    "l": 0.43292,
    "c": 0.13736,
    "h": 267.2
  },
  "luminance": 0.07736
}

Semantic roles & 50–950 ramp

primary

#2F499B

secondary

#BBA86A

accent

#BA4BDD

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #2F499B

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

Preview Lab → · Contrast checker → · Palette generator →