#2F4187#2F4187

#2F4187 is a dark, moderate blue. Relative luminance 0.061; OKLCH L 40.1% C 0.119 H 269.5°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#2F4187
RGB	rgb(47, 65, 135)
HSL	hsl(228, 48%, 36%)
HSV	hsv(228, 65%, 53%)
CMYK	cmyk(65.2%, 51.9%, 0%, 47.1%)
CIE-LAB	lab(29.75, 16.65, -41.45)
CIE-LCH	lch(29.75, 44.67, 291.88°)
OKLab	oklab(40.05% -0.001 -0.1188)
OKLCH	oklch(40.05% 0.119 269.5)
XYZ	xyz(7.4343, 6.1335, 23.7091)
Luminance	0.0613 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4187 #87752F

analogous

#2F6D87 #2F4187 #492F87

triadic

#2F4187 #872F41 #41872F

tetradic

#2F4187 #872F6D #87752F #2F8749

square

#2F4187 #872F6D #87752F #2F8749

split-complementary

#2F4187 #87492F #6D872F

monochromatic

#0F152C #1F2B5A #2F4187 #3F57B4 #667BCA

Accessibility & contrast

On white

9.43

#2F4187 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#2F4187 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4187

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4187	#FFFFFF	#000000	##FFFFFF
##2F4187	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A4A8A

Deuteranopia (green-blind)

#024286

Tritanopia (blue-blind)

#00515D

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2f4187;
/* rgb */ color: rgb(47, 65, 135);
/* oklch */ color: oklch(40.1% 0.119 269.5);

Tailwind

colors: {
  custom: {
    50: '#7175aa',
    500: '#2f4187',
    950: '#000000',
  },
}

SCSS

$custom: #2f4187;
$custom-light: #7175aa;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4187",
  "rgb": {
    "r": 47,
    "g": 65,
    "b": 135
  },
  "hsl": {
    "h": 227.727,
    "s": 48.352,
    "l": 35.686
  },
  "oklch": {
    "l": 0.40053,
    "c": 0.11877,
    "h": 269.5
  },
  "luminance": 0.06134
}

Semantic roles & 50–950 ramp

primary

#2F4187

secondary

#B1A161

accent

#BC50D8

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #2F4187

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

Preview Lab → · Contrast checker → · Palette generator →