#2F3989#2F3989

#2F3989 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.5% C 0.133 H 273.1°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#2F3989
RGB	rgb(47, 57, 137)
HSL	hsl(233, 49%, 36%)
HSV	hsv(233, 66%, 54%)
CMYK	cmyk(65.7%, 58.4%, 0%, 46.3%)
CIE-LAB	lab(27.67, 22.82, -46.04)
CIE-LCH	lch(27.67, 51.39, 296.37°)
OKLab	oklab(38.54% 0.0072 -0.1324)
OKLCH	oklch(38.54% 0.133 273.1)
XYZ	xyz(7.1493, 5.3361, 24.3153)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3989 #897F2F

analogous

#2F6689 #2F3989 #522F89

triadic

#2F3989 #892F39 #39892F

tetradic

#2F3989 #892F66 #897F2F #2F8952

square

#2F3989 #892F66 #897F2F #2F8952

split-complementary

#2F3989 #89522F #66892F

monochromatic

#10132E #1F265B #2F3989 #3F4CB7 #6772CB

Accessibility & contrast

On white

10.16

#2F3989 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2F3989 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3989

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3989	#FFFFFF	#000000	##FFFFFF
##2F3989	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458C

Deuteranopia (green-blind)

#003D87

Tritanopia (blue-blind)

#004C5B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2f3989;
/* rgb */ color: rgb(47, 57, 137);
/* oklch */ color: oklch(38.5% 0.133 273.1);

Tailwind

colors: {
  custom: {
    50: '#726fac',
    500: '#2f3989',
    950: '#000000',
  },
}

SCSS

$custom: #2f3989;
$custom-light: #726fac;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3989",
  "rgb": {
    "r": 47,
    "g": 57,
    "b": 137
  },
  "hsl": {
    "h": 233.333,
    "s": 48.913,
    "l": 36.078
  },
  "oklch": {
    "l": 0.3854,
    "c": 0.13259,
    "h": 273.1
  },
  "luminance": 0.05337
}

Semantic roles & 50–950 ramp

primary

#2F3989

secondary

#B2A962

accent

#C94FD8

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2F3989

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

Preview Lab → · Contrast checker → · Palette generator →