#2F3D88#2F3D88

#2F3D88 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.3% C 0.126 H 271.5°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#2F3D88
RGB	rgb(47, 61, 136)
HSL	hsl(231, 49%, 36%)
HSV	hsv(231, 65%, 53%)
CMYK	cmyk(65.4%, 55.1%, 0%, 46.7%)
CIE-LAB	lab(28.69, 19.74, -43.77)
CIE-LCH	lch(28.69, 48.02, 294.27°)
OKLab	oklab(39.28% 0.0032 -0.1257)
OKLCH	oklch(39.28% 0.126 271.5)
XYZ	xyz(7.2835, 5.7188, 24.0078)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3D88 #887A2F

analogous

#2F6988 #2F3D88 #4D2F88

triadic

#2F3D88 #882F3D #3D882F

tetradic

#2F3D88 #882F69 #887A2F #2F884D

square

#2F3D88 #882F69 #887A2F #2F884D

split-complementary

#2F3D88 #884D2F #69882F

monochromatic

#10142D #1F295B #2F3D88 #3F51B5 #6777CA

Accessibility & contrast

On white

9.80

#2F3D88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2F3D88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3D88

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3D88	#FFFFFF	#000000	##FFFFFF
##2F3D88	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A488B

Deuteranopia (green-blind)

#004086

Tritanopia (blue-blind)

#004F5C

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2f3d88;
/* rgb */ color: rgb(47, 61, 136);
/* oklch */ color: oklch(39.3% 0.126 271.5);

Tailwind

colors: {
  custom: {
    50: '#7272ab',
    500: '#2f3d88',
    950: '#000000',
  },
}

SCSS

$custom: #2f3d88;
$custom-light: #7272ab;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3d88",
  "rgb": {
    "r": 47,
    "g": 61,
    "b": 136
  },
  "hsl": {
    "h": 230.562,
    "s": 48.634,
    "l": 35.882
  },
  "oklch": {
    "l": 0.39279,
    "c": 0.1257,
    "h": 271.5
  },
  "luminance": 0.05719
}

Semantic roles & 50–950 ramp

primary

#2F3D88

secondary

#B1A561

accent

#C350D8

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2F3D88

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

Preview Lab → · Contrast checker → · Palette generator →