#2F4E8B#2F4E8B

#2F4E8B is a dark, moderate blue. Relative luminance 0.079; OKLCH L 43.2% C 0.108 H 262.5°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#2F4E8B
RGB	rgb(47, 78, 139)
HSL	hsl(220, 49%, 36%)
HSV	hsv(220, 66%, 55%)
CMYK	cmyk(66.2%, 43.9%, 0%, 45.5%)
CIE-LAB	lab(33.81, 9.39, -37.40)
CIE-LCH	lch(33.81, 38.56, 284.09°)
OKLab	oklab(43.24% -0.0141 -0.1067)
OKLCH	oklch(43.24% 0.108 262.5)
XYZ	xyz(8.5552, 7.9164, 25.4982)
Luminance	0.0792 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4E8B #8B6C2F

analogous

#2F7C8B #2F4E8B #3E2F8B

triadic

#2F4E8B #8B2F4E #4E8B2F

tetradic

#2F4E8B #8B2F7C #8B6C2F #2F8B3E

square

#2F4E8B #8B2F7C #8B6C2F #2F8B3E

split-complementary

#2F4E8B #8B3E2F #7C8B2F

monochromatic

#101B30 #20345D #2F4E8B #3E68B9 #688ACC

Accessibility & contrast

On white

8.13

#2F4E8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#2F4E8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4E8B

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4E8B	#FFFFFF	#000000	##FFFFFF
##2F4E8B	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#32548D

Deuteranopia (green-blind)

#234C8A

Tritanopia (blue-blind)

#005C65

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2f4e8b;
/* rgb */ color: rgb(47, 78, 139);
/* oklch */ color: oklch(43.2% 0.108 262.5);

Tailwind

colors: {
  custom: {
    50: '#717fad',
    500: '#2f4e8b',
    950: '#000000',
  },
}

SCSS

$custom: #2f4e8b;
$custom-light: #717fad;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4e8b",
  "rgb": {
    "r": 47,
    "g": 78,
    "b": 139
  },
  "hsl": {
    "h": 219.783,
    "s": 49.462,
    "l": 36.471
  },
  "oklch": {
    "l": 0.43244,
    "c": 0.10759,
    "h": 262.5
  },
  "luminance": 0.07917
}

Semantic roles & 50–950 ramp

primary

#2F4E8B

secondary

#B39863

accent

#AA4FD9

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #2F4E8B

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

Preview Lab → · Contrast checker → · Palette generator →