#2F4B91#2F4B91

#2F4B91 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.0% C 0.120 H 265.3°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#2F4B91
RGB	rgb(47, 75, 145)
HSL	hsl(223, 51%, 38%)
HSV	hsv(223, 68%, 57%)
CMYK	cmyk(67.6%, 48.3%, 0%, 43.1%)
CIE-LAB	lab(33.31, 13.64, -41.87)
CIE-LCH	lch(33.31, 44.04, 288.05°)
OKLab	oklab(42.98% -0.0099 -0.1198)
OKLCH	oklch(42.98% 0.12 265.3)
XYZ	xyz(8.7974, 7.6800, 27.8013)
Luminance	0.0768 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4B91 #91752F

analogous

#2F7C91 #2F4B91 #442F91

triadic

#2F4B91 #912F4B #4B912F

tetradic

#2F4B91 #912F7C #91752F #2F9144

square

#2F4B91 #912F7C #91752F #2F9144

split-complementary

#2F4B91 #91442F #7C912F

monochromatic

#111B35 #203363 #2F4B91 #3E63BF #6B88CF

Accessibility & contrast

On white

8.28

#2F4B91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#2F4B91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4B91

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4B91	#FFFFFF	#000000	##FFFFFF
##2F4B91	1.00	8.28	2.54	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#275394

Deuteranopia (green-blind)

#134A90

Tritanopia (blue-blind)

#005B67

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2f4b91;
/* rgb */ color: rgb(47, 75, 145);
/* oklch */ color: oklch(43.0% 0.120 265.3);

Tailwind

colors: {
  custom: {
    50: '#737cb2',
    500: '#2f4b91',
    950: '#000000',
  },
}

SCSS

$custom: #2f4b91;
$custom-light: #737cb2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4b91",
  "rgb": {
    "r": 47,
    "g": 75,
    "b": 145
  },
  "hsl": {
    "h": 222.857,
    "s": 51.042,
    "l": 37.647
  },
  "oklch": {
    "l": 0.42982,
    "c": 0.12026,
    "h": 265.3
  },
  "luminance": 0.07681
}

Semantic roles & 50–950 ramp

primary

#2F4B91

secondary

#B69F65

accent

#B24DDB

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #2F4B91

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

Preview Lab → · Contrast checker → · Palette generator →