#2F4B90#2F4B90

#2F4B90 is a dark, moderate blue. Relative luminance 0.076; OKLCH L 42.9% C 0.119 H 265.2°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#2F4B90
RGB	rgb(47, 75, 144)
HSL	hsl(223, 51%, 37%)
HSV	hsv(223, 67%, 56%)
CMYK	cmyk(67.4%, 47.9%, 0%, 43.5%)
CIE-LAB	lab(33.24, 13.27, -41.36)
CIE-LCH	lch(33.24, 43.44, 287.78°)
OKLab	oklab(42.91% -0.01 -0.1184)
OKLCH	oklch(42.91% 0.119 265.2)
XYZ	xyz(8.7207, 7.6493, 27.3970)
Luminance	0.0765 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4B90 #90742F

analogous

#2F7C90 #2F4B90 #432F90

triadic

#2F4B90 #902F4B #4B902F

tetradic

#2F4B90 #902F7C #90742F #2F9043

square

#2F4B90 #902F7C #90742F #2F9043

split-complementary

#2F4B90 #90432F #7C902F

monochromatic

#111B34 #203362 #2F4B90 #3E63BE #6B88CF

Accessibility & contrast

On white

8.30

#2F4B90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#2F4B90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4B90

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4B90	#FFFFFF	#000000	##FFFFFF
##2F4B90	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#285393

Deuteranopia (green-blind)

#154A8F

Tritanopia (blue-blind)

#005B66

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2f4b90;
/* rgb */ color: rgb(47, 75, 144);
/* oklch */ color: oklch(42.9% 0.119 265.2);

Tailwind

colors: {
  custom: {
    50: '#737cb1',
    500: '#2f4b90',
    950: '#000000',
  },
}

SCSS

$custom: #2f4b90;
$custom-light: #737cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4b90",
  "rgb": {
    "r": 47,
    "g": 75,
    "b": 144
  },
  "hsl": {
    "h": 222.68,
    "s": 50.785,
    "l": 37.451
  },
  "oklch": {
    "l": 0.42911,
    "c": 0.11879,
    "h": 265.2
  },
  "luminance": 0.0765
}

Semantic roles & 50–950 ramp

primary

#2F4B90

secondary

#B69E65

accent

#B24EDA

background

#F7F7FA

surface

#EDEEF5

border

#C8C9CF

text

#090911

muted

#7B7B80

Preview Lab

Preview with #2F4B90

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

Preview Lab → · Contrast checker → · Palette generator →