#2F4F91#2F4F91

#2F4F91 is a dark, moderate blue. Relative luminance 0.082; OKLCH L 43.9% C 0.115 H 263.0°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#2F4F91
RGB	rgb(47, 79, 145)
HSL	hsl(220, 51%, 38%)
HSV	hsv(220, 68%, 57%)
CMYK	cmyk(67.6%, 45.5%, 0%, 43.1%)
CIE-LAB	lab(34.48, 10.97, -39.99)
CIE-LCH	lch(34.48, 41.47, 285.34°)
OKLab	oklab(43.88% -0.014 -0.1143)
OKLCH	oklch(43.88% 0.115 263)
XYZ	xyz(9.0773, 8.2398, 27.8946)
Luminance	0.0824 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4F91 #91712F

analogous

#2F8091 #2F4F91 #402F91

triadic

#2F4F91 #912F4F #4F912F

tetradic

#2F4F91 #912F80 #91712F #2F9140

square

#2F4F91 #912F80 #91712F #2F9140

split-complementary

#2F4F91 #91402F #80912F

monochromatic

#111D35 #203663 #2F4F91 #3E68BF #6B8CCF

Accessibility & contrast

On white

7.93

#2F4F91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#2F4F91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4F91

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4F91	#FFFFFF	#000000	##FFFFFF
##2F4F91	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5694

Deuteranopia (green-blind)

#1E4D90

Tritanopia (blue-blind)

#005E69

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2f4f91;
/* rgb */ color: rgb(47, 79, 145);
/* oklch */ color: oklch(43.9% 0.115 263.0);

Tailwind

colors: {
  custom: {
    50: '#737fb2',
    500: '#2f4f91',
    950: '#000000',
  },
}

SCSS

$custom: #2f4f91;
$custom-light: #737fb2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4f91",
  "rgb": {
    "r": 47,
    "g": 79,
    "b": 145
  },
  "hsl": {
    "h": 220.408,
    "s": 51.042,
    "l": 37.647
  },
  "oklch": {
    "l": 0.4388,
    "c": 0.11513,
    "h": 263
  },
  "luminance": 0.08241
}

Semantic roles & 50–950 ramp

primary

#2F4F91

secondary

#B69C65

accent

#AC4DDB

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #2F4F91

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

Preview Lab → · Contrast checker → · Palette generator →