#2F488F#2F488F

#2F488F is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.2% C 0.121 H 266.6°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#2F488F
RGB	rgb(47, 72, 143)
HSL	hsl(224, 51%, 37%)
HSV	hsv(224, 67%, 56%)
CMYK	cmyk(67.1%, 49.7%, 0%, 43.9%)
CIE-LAB	lab(32.31, 14.91, -42.26)
CIE-LCH	lch(32.31, 44.81, 289.43°)
OKLab	oklab(42.18% -0.0071 -0.121)
OKLCH	oklch(42.18% 0.121 266.6)
XYZ	xyz(8.4459, 7.2214, 26.9301)
Luminance	0.0722 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F488F #8F762F

analogous

#2F788F #2F488F #462F8F

triadic

#2F488F #8F2F48 #488F2F

tetradic

#2F488F #8F2F78 #8F762F #2F8F46

square

#2F488F #8F2F78 #8F762F #2F8F46

split-complementary

#2F488F #8F462F #788F2F

monochromatic

#111A33 #203161 #2F488F #3E5FBD #6A84CE

Accessibility & contrast

On white

8.59

#2F488F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#2F488F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F488F

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F488F	#FFFFFF	#000000	##FFFFFF
##2F488F	1.00	8.59	2.44	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#225192

Deuteranopia (green-blind)

#0C488E

Tritanopia (blue-blind)

#005864

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2f488f;
/* rgb */ color: rgb(47, 72, 143);
/* oklch */ color: oklch(42.2% 0.121 266.6);

Tailwind

colors: {
  custom: {
    50: '#727ab0',
    500: '#2f488f',
    950: '#000000',
  },
}

SCSS

$custom: #2f488f;
$custom-light: #727ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f488f",
  "rgb": {
    "r": 47,
    "g": 72,
    "b": 143
  },
  "hsl": {
    "h": 224.375,
    "s": 50.526,
    "l": 37.255
  },
  "oklch": {
    "l": 0.42175,
    "c": 0.12125,
    "h": 266.6
  },
  "luminance": 0.07222
}

Semantic roles & 50–950 ramp

primary

#2F488F

secondary

#B5A065

accent

#B64EDA

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #2F488F

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

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