#2F4F88#2F4F88

#2F4F88 is a dark, moderate blue. Relative luminance 0.080; OKLCH L 43.3% C 0.102 H 261.1°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#2F4F88
RGB	rgb(47, 79, 136)
HSL	hsl(218, 49%, 36%)
HSV	hsv(218, 65%, 53%)
CMYK	cmyk(65.4%, 41.9%, 0%, 46.7%)
CIE-LAB	lab(33.93, 7.61, -35.37)
CIE-LCH	lch(33.93, 36.18, 282.14°)
OKLab	oklab(43.28% -0.0158 -0.1007)
OKLCH	oklch(43.28% 0.102 261.1)
XYZ	xyz(8.4106, 7.9731, 24.3835)
Luminance	0.0797 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4F88 #88682F

analogous

#2F7B88 #2F4F88 #3B2F88

triadic

#2F4F88 #882F4F #4F882F

tetradic

#2F4F88 #882F7B #88682F #2F883B

square

#2F4F88 #882F7B #88682F #2F883B

split-complementary

#2F4F88 #883B2F #7B882F

monochromatic

#101A2D #1F355B #2F4F88 #3F69B5 #678BCA

Accessibility & contrast

On white

8.09

#2F4F88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#2F4F88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4F88

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4F88	#FFFFFF	#000000	##FFFFFF
##2F4F88	1.00	8.09	2.59	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35548A

Deuteranopia (green-blind)

#284C87

Tritanopia (blue-blind)

#005C65

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2f4f88;
/* rgb */ color: rgb(47, 79, 136);
/* oklch */ color: oklch(43.3% 0.102 261.1);

Tailwind

colors: {
  custom: {
    50: '#717fab',
    500: '#2f4f88',
    950: '#000000',
  },
}

SCSS

$custom: #2f4f88;
$custom-light: #717fab;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4f88",
  "rgb": {
    "r": 47,
    "g": 79,
    "b": 136
  },
  "hsl": {
    "h": 218.427,
    "s": 48.634,
    "l": 35.882
  },
  "oklch": {
    "l": 0.43277,
    "c": 0.10194,
    "h": 261.1
  },
  "luminance": 0.07974
}

Semantic roles & 50–950 ramp

primary

#2F4F88

secondary

#B19561

accent

#A750D8

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #2F4F88

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

Preview Lab → · Contrast checker → · Palette generator →