#2F3D91#2F3D91

#2F3D91 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.0% C 0.139 H 271.5°. Best body text is #FFFFFF at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#2F3D91
RGB	rgb(47, 61, 145)
HSL	hsl(231, 51%, 38%)
HSV	hsv(231, 68%, 57%)
CMYK	cmyk(67.6%, 57.9%, 0%, 43.1%)
CIE-LAB	lab(29.38, 23.08, -48.22)
CIE-LCH	lch(29.38, 53.46, 295.58°)
OKLab	oklab(40.01% 0.0037 -0.1387)
OKLCH	oklch(40.01% 0.139 271.5)
XYZ	xyz(7.9501, 5.9854, 27.5189)
Luminance	0.0599 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3D91 #91832F

analogous

#2F6E91 #2F3D91 #522F91

triadic

#2F3D91 #912F3D #3D912F

tetradic

#2F3D91 #912F6E #91832F #2F9152

square

#2F3D91 #912F6E #91832F #2F9152

split-complementary

#2F3D91 #91522F #6E912F

monochromatic

#111635 #202A63 #2F3D91 #3E50BF #6B7ACF

Accessibility & contrast

On white

9.56

#2F3D91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#2F3D91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3D91

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3D91	#FFFFFF	#000000	##FFFFFF
##2F3D91	1.00	9.56	2.20	9.56
#FFFFFF	9.56	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A94

Deuteranopia (green-blind)

#00418F

Tritanopia (blue-blind)

#005161

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2f3d91;
/* rgb */ color: rgb(47, 61, 145);
/* oklch */ color: oklch(40.0% 0.139 271.5);

Tailwind

colors: {
  custom: {
    50: '#7472b2',
    500: '#2f3d91',
    950: '#000000',
  },
}

SCSS

$custom: #2f3d91;
$custom-light: #7472b2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3d91",
  "rgb": {
    "r": 47,
    "g": 61,
    "b": 145
  },
  "hsl": {
    "h": 231.429,
    "s": 51.042,
    "l": 37.647
  },
  "oklch": {
    "l": 0.40009,
    "c": 0.13878,
    "h": 271.5
  },
  "luminance": 0.05986
}

Semantic roles & 50–950 ramp

primary

#2F3D91

secondary

#B6AB65

accent

#C64DDB

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2F3D91

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

Preview Lab → · Contrast checker → · Palette generator →