#2F459B#2F459B

#2F459B is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.5% C 0.143 H 268.8°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#2F459B
RGB	rgb(47, 69, 155)
HSL	hsl(228, 53%, 40%)
HSV	hsv(228, 70%, 61%)
CMYK	cmyk(69.7%, 55.5%, 0%, 39.2%)
CIE-LAB	lab(32.32, 21.44, -49.55)
CIE-LCH	lch(32.32, 53.99, 293.39°)
OKLab	oklab(42.46% -0.0031 -0.1425)
OKLCH	oklch(42.46% 0.143 268.8)
XYZ	xyz(9.2148, 7.2262, 31.9132)
Luminance	0.0723 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F459B #9B852F

analogous

#2F7B9B #2F459B #4F2F9B

triadic

#2F459B #9B2F45 #459B2F

tetradic

#2F459B #9B2F7B #9B852F #2F9B4F

square

#2F459B #9B2F7B #9B852F #2F9B4F

split-complementary

#2F459B #9B4F2F #7B9B2F

monochromatic

#131B3D #21306C #2F459B #425DC6 #7185D4

Accessibility & contrast

On white

8.59

#2F459B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#2F459B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F459B

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F459B	#FFFFFF	#000000	##FFFFFF
##2F459B	1.00	8.59	2.45	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00519E

Deuteranopia (green-blind)

#004799

Tritanopia (blue-blind)

#005A69

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2f459b;
/* rgb */ color: rgb(47, 69, 155);
/* oklch */ color: oklch(42.5% 0.143 268.8);

Tailwind

colors: {
  custom: {
    50: '#7578b9',
    500: '#2f459b',
    950: '#000000',
  },
}

SCSS

$custom: #2f459b;
$custom-light: #7578b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f459b",
  "rgb": {
    "r": 47,
    "g": 69,
    "b": 155
  },
  "hsl": {
    "h": 227.778,
    "s": 53.465,
    "l": 39.608
  },
  "oklch": {
    "l": 0.42455,
    "c": 0.14257,
    "h": 268.8
  },
  "luminance": 0.07227
}

Semantic roles & 50–950 ramp

primary

#2F459B

secondary

#BBAB6A

accent

#BF4BDD

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2F459B

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

Preview Lab → · Contrast checker → · Palette generator →