#2F488B#2F488B

#2F488B is a dark, moderate blue. Relative luminance 0.071; OKLCH L 41.9% C 0.115 H 266.2°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#2F488B
RGB	rgb(47, 72, 139)
HSL	hsl(224, 49%, 36%)
HSV	hsv(224, 66%, 55%)
CMYK	cmyk(66.2%, 48.2%, 0%, 45.5%)
CIE-LAB	lab(32.04, 13.40, -40.23)
CIE-LCH	lch(32.04, 42.41, 288.43°)
OKLab	oklab(41.89% -0.0077 -0.1151)
OKLCH	oklch(41.89% 0.115 266.2)
XYZ	xyz(8.1482, 7.1024, 25.3626)
Luminance	0.0710 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F488B #8B722F

analogous

#2F768B #2F488B #442F8B

triadic

#2F488B #8B2F48 #488B2F

tetradic

#2F488B #8B2F76 #8B722F #2F8B44

square

#2F488B #8B2F76 #8B722F #2F8B44

split-complementary

#2F488B #8B442F #768B2F

monochromatic

#101930 #20305D #2F488B #3E60B9 #6883CC

Accessibility & contrast

On white

8.68

#2F488B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#2F488B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F488B

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F488B	#FFFFFF	#000000	##FFFFFF
##2F488B	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26508D

Deuteranopia (green-blind)

#15478A

Tritanopia (blue-blind)

#005762

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2f488b;
/* rgb */ color: rgb(47, 72, 139);
/* oklch */ color: oklch(41.9% 0.115 266.2);

Tailwind

colors: {
  custom: {
    50: '#727aad',
    500: '#2f488b',
    950: '#000000',
  },
}

SCSS

$custom: #2f488b;
$custom-light: #727aad;
$custom-dark: #000000;

JSON

{
  "hex": "#2f488b",
  "rgb": {
    "r": 47,
    "g": 72,
    "b": 139
  },
  "hsl": {
    "h": 223.696,
    "s": 49.462,
    "l": 36.471
  },
  "oklch": {
    "l": 0.41885,
    "c": 0.11534,
    "h": 266.2
  },
  "luminance": 0.07103
}

Semantic roles & 50–950 ramp

primary

#2F488B

secondary

#B39D63

accent

#B34FD9

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #2F488B

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

Preview Lab → · Contrast checker → · Palette generator →