#2F288E#2F288E

#2F288E is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.9% C 0.161 H 277.6°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#2F288E
RGB	rgb(47, 40, 142)
HSL	hsl(244, 56%, 36%)
HSV	hsv(244, 72%, 56%)
CMYK	cmyk(66.9%, 71.8%, 0%, 44.3%)
CIE-LAB	lab(23.92, 35.64, -55.28)
CIE-LCH	lch(23.92, 65.77, 302.81°)
OKLab	oklab(35.93% 0.0213 -0.1596)
OKLCH	oklch(35.93% 0.161 277.6)
XYZ	xyz(6.8120, 4.0743, 26.0134)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F288E #878E28

analogous

#28548E #2F288E #62288E

triadic

#2F288E #8E2F28 #288E2F

tetradic

#2F288E #8E2854 #878E28 #288E62

square

#2F288E #8E2854 #878E28 #288E62

split-complementary

#2F288E #8E6228 #548E28

monochromatic

#0F0D2F #1F1B5E #2F288E #3F35BE #665FD2

Accessibility & contrast

On white

11.57

#2F288E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#2F288E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F288E

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F288E	#FFFFFF	#000000	##FFFFFF
##2F288E	1.00	11.57	1.82	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D91

Deuteranopia (green-blind)

#00358C

Tritanopia (blue-blind)

#004458

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2f288e;
/* rgb */ color: rgb(47, 40, 142);
/* oklch */ color: oklch(35.9% 0.161 277.6);

Tailwind

colors: {
  custom: {
    50: '#7563b0',
    500: '#2f288e',
    950: '#000000',
  },
}

SCSS

$custom: #2f288e;
$custom-light: #7563b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f288e",
  "rgb": {
    "r": 47,
    "g": 40,
    "b": 142
  },
  "hsl": {
    "h": 244.118,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.35927,
    "c": 0.16099,
    "h": 277.6
  },
  "luminance": 0.04075
}

Semantic roles & 50–950 ramp

primary

#2F288E

secondary

#B1B75B

accent

#DF48D5

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #2F288E

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

Preview Lab → · Contrast checker → · Palette generator →