#2F3563#2F3563

#2F3563 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.8% C 0.080 H 275.8°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#2F3563
RGB	rgb(47, 53, 99)
HSL	hsl(233, 36%, 29%)
HSV	hsv(233, 53%, 39%)
CMYK	cmyk(52.5%, 46.5%, 0%, 61.2%)
CIE-LAB	lab(23.84, 11.76, -28.09)
CIE-LCH	lch(23.84, 30.45, 292.72°)
OKLab	oklab(34.79% 0.0081 -0.0796)
OKLCH	oklch(34.79% 0.08 275.8)
XYZ	xyz(4.6968, 4.0511, 12.3364)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3563 #635D2F

analogous

#2F4F63 #2F3563 #432F63

triadic

#2F3563 #632F35 #35632F

tetradic

#2F3563 #632F4F #635D2F #2F6343

square

#2F3563 #632F4F #635D2F #2F6343

split-complementary

#2F3563 #63432F #4F632F

monochromatic

#0A0B15 #1B1F39 #2F3563 #434B8C #5B65B1

Accessibility & contrast

On white

11.60

#2F3563 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#2F3563 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3563

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3563	#FFFFFF	#000000	##FFFFFF
##2F3563	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#223B65

Deuteranopia (green-blind)

#1E3762

Tritanopia (blue-blind)

#1B3F47

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2f3563;
/* rgb */ color: rgb(47, 53, 99);
/* oklch */ color: oklch(34.8% 0.080 275.8);

Tailwind

colors: {
  custom: {
    50: '#6b6c90',
    500: '#2f3563',
    950: '#000000',
  },
}

SCSS

$custom: #2f3563;
$custom-light: #6b6c90;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3563",
  "rgb": {
    "r": 47,
    "g": 53,
    "b": 99
  },
  "hsl": {
    "h": 233.077,
    "s": 35.616,
    "l": 28.627
  },
  "oklch": {
    "l": 0.34789,
    "c": 0.08006,
    "h": 275.8
  },
  "luminance": 0.04051
}

Semantic roles & 50–950 ramp

primary

#2F3563

secondary

#958E59

accent

#BF5CCC

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#07060C

muted

#7A7A7D

Preview Lab

Preview with #2F3563

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

Preview Lab → · Contrast checker → · Palette generator →