#2F4D8D#2F4D8D

#2F4D8D is a dark, moderate blue. Relative luminance 0.078; OKLCH L 43.2% C 0.112 H 263.5°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#2F4D8D
RGB	rgb(47, 77, 141)
HSL	hsl(221, 50%, 37%)
HSV	hsv(221, 67%, 55%)
CMYK	cmyk(66.7%, 45.4%, 0%, 44.7%)
CIE-LAB	lab(33.64, 10.80, -38.90)
CIE-LCH	lch(33.64, 40.37, 285.52°)
OKLab	oklab(43.15% -0.0126 -0.1111)
OKLCH	oklch(43.15% 0.112 263.5)
XYZ	xyz(8.6322, 7.8344, 26.2514)
Luminance	0.0784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4D8D #8D6F2F

analogous

#2F7C8D #2F4D8D #402F8D

triadic

#2F4D8D #8D2F4D #4D8D2F

tetradic

#2F4D8D #8D2F7C #8D6F2F #2F8D40

square

#2F4D8D #8D2F7C #8D6F2F #2F8D40

split-complementary

#2F4D8D #8D402F #7C8D2F

monochromatic

#101B31 #20345F #2F4D8D #3E66BB #6989CD

Accessibility & contrast

On white

8.18

#2F4D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#2F4D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4D8D

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4D8D	#FFFFFF	#000000	##FFFFFF
##2F4D8D	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F548F

Deuteranopia (green-blind)

#1F4B8C

Tritanopia (blue-blind)

#005C66

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2f4d8d;
/* rgb */ color: rgb(47, 77, 141);
/* oklch */ color: oklch(43.2% 0.112 263.5);

Tailwind

colors: {
  custom: {
    50: '#727eaf',
    500: '#2f4d8d',
    950: '#000000',
  },
}

SCSS

$custom: #2f4d8d;
$custom-light: #727eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4d8d",
  "rgb": {
    "r": 47,
    "g": 77,
    "b": 141
  },
  "hsl": {
    "h": 220.851,
    "s": 50,
    "l": 36.863
  },
  "oklch": {
    "l": 0.43151,
    "c": 0.1118,
    "h": 263.5
  },
  "luminance": 0.07835
}

Semantic roles & 50–950 ramp

primary

#2F4D8D

secondary

#B49A64

accent

#AD4EDA

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #2F4D8D

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

Preview Lab → · Contrast checker → · Palette generator →