#2F498B#2F498B

#2F498B is a dark, moderate blue. Relative luminance 0.072; OKLCH L 42.1% C 0.114 H 265.6°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#2F498B
RGB	rgb(47, 73, 139)
HSL	hsl(223, 49%, 36%)
HSV	hsv(223, 66%, 55%)
CMYK	cmyk(66.2%, 47.5%, 0%, 45.5%)
CIE-LAB	lab(32.33, 12.73, -39.76)
CIE-LCH	lch(32.33, 41.75, 287.75°)
OKLab	oklab(42.11% -0.0088 -0.1137)
OKLCH	oklch(42.11% 0.114 265.6)
XYZ	xyz(8.2134, 7.2327, 25.3843)
Luminance	0.0723 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F498B #8B712F

analogous

#2F778B #2F498B #432F8B

triadic

#2F498B #8B2F49 #498B2F

tetradic

#2F498B #8B2F77 #8B712F #2F8B43

square

#2F498B #8B2F77 #8B712F #2F8B43

split-complementary

#2F498B #8B432F #778B2F

monochromatic

#101930 #20315D #2F498B #3E61B9 #6885CC

Accessibility & contrast

On white

8.58

#2F498B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#2F498B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F498B

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F498B	#FFFFFF	#000000	##FFFFFF
##2F498B	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28518D

Deuteranopia (green-blind)

#18488A

Tritanopia (blue-blind)

#005863

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2f498b;
/* rgb */ color: rgb(47, 73, 139);
/* oklch */ color: oklch(42.1% 0.114 265.6);

Tailwind

colors: {
  custom: {
    50: '#727bad',
    500: '#2f498b',
    950: '#000000',
  },
}

SCSS

$custom: #2f498b;
$custom-light: #727bad;
$custom-dark: #000000;

JSON

{
  "hex": "#2f498b",
  "rgb": {
    "r": 47,
    "g": 73,
    "b": 139
  },
  "hsl": {
    "h": 223.043,
    "s": 49.462,
    "l": 36.471
  },
  "oklch": {
    "l": 0.42109,
    "c": 0.11403,
    "h": 265.6
  },
  "luminance": 0.07234
}

Semantic roles & 50–950 ramp

primary

#2F498B

secondary

#B39C63

accent

#B24FD9

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #2F498B

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

Preview Lab → · Contrast checker → · Palette generator →