#2F4288#2F4288

#2F4288 is a dark, moderate blue. Relative luminance 0.063; OKLCH L 40.3% C 0.119 H 269.1°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#2F4288
RGB	rgb(47, 66, 136)
HSL	hsl(227, 49%, 36%)
HSV	hsv(227, 65%, 53%)
CMYK	cmyk(65.4%, 51.5%, 0%, 46.7%)
CIE-LAB	lab(30.10, 16.34, -41.49)
CIE-LCH	lch(30.10, 44.60, 291.49°)
OKLab	oklab(40.35% -0.0019 -0.1189)
OKLCH	oklch(40.35% 0.119 269.1)
XYZ	xyz(7.5629, 6.2777, 24.1009)
Luminance	0.0628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4288 #88752F

analogous

#2F6E88 #2F4288 #482F88

triadic

#2F4288 #882F42 #42882F

tetradic

#2F4288 #882F6E #88752F #2F8848

square

#2F4288 #882F6E #88752F #2F8848

split-complementary

#2F4288 #88482F #6E882F

monochromatic

#10162D #1F2C5B #2F4288 #3F58B5 #677CCA

Accessibility & contrast

On white

9.31

#2F4288 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2F4288 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4288

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4288	#FFFFFF	#000000	##FFFFFF
##2F4288	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4B8B

Deuteranopia (green-blind)

#044387

Tritanopia (blue-blind)

#00525E

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2f4288;
/* rgb */ color: rgb(47, 66, 136);
/* oklch */ color: oklch(40.3% 0.119 269.1);

Tailwind

colors: {
  custom: {
    50: '#7176ab',
    500: '#2f4288',
    950: '#000000',
  },
}

SCSS

$custom: #2f4288;
$custom-light: #7176ab;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4288",
  "rgb": {
    "r": 47,
    "g": 66,
    "b": 136
  },
  "hsl": {
    "h": 227.191,
    "s": 48.634,
    "l": 35.882
  },
  "oklch": {
    "l": 0.40345,
    "c": 0.1189,
    "h": 269.1
  },
  "luminance": 0.06278
}

Semantic roles & 50–950 ramp

primary

#2F4288

secondary

#B1A061

accent

#BB50D8

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #2F4288

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

Preview Lab → · Contrast checker → · Palette generator →