#2F3E90#2F3E90

#2F3E90 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.1% C 0.136 H 271.1°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#2F3E90
RGB	rgb(47, 62, 144)
HSL	hsl(231, 51%, 37%)
HSV	hsv(231, 67%, 56%)
CMYK	cmyk(67.4%, 56.9%, 0%, 43.5%)
CIE-LAB	lab(29.57, 22.04, -47.29)
CIE-LCH	lch(29.57, 52.17, 294.99°)
OKLab	oklab(40.13% 0.0027 -0.136)
OKLCH	oklch(40.13% 0.136 271.1)
XYZ	xyz(7.9273, 6.0625, 27.1326)
Luminance	0.0606 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3E90 #90812F

analogous

#2F6E90 #2F3E90 #512F90

triadic

#2F3E90 #902F3E #3E902F

tetradic

#2F3E90 #902F6E #90812F #2F9051

square

#2F3E90 #902F6E #90812F #2F9051

split-complementary

#2F3E90 #90512F #6E902F

monochromatic

#111634 #202A62 #2F3E90 #3E52BE #6B7ACF

Accessibility & contrast

On white

9.49

#2F3E90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#2F3E90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3E90

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3E90	#FFFFFF	#000000	##FFFFFF
##2F3E90	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A93

Deuteranopia (green-blind)

#00418E

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2f3e90;
/* rgb */ color: rgb(47, 62, 144);
/* oklch */ color: oklch(40.1% 0.136 271.1);

Tailwind

colors: {
  custom: {
    50: '#7373b1',
    500: '#2f3e90',
    950: '#000000',
  },
}

SCSS

$custom: #2f3e90;
$custom-light: #7373b1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3e90",
  "rgb": {
    "r": 47,
    "g": 62,
    "b": 144
  },
  "hsl": {
    "h": 230.722,
    "s": 50.785,
    "l": 37.451
  },
  "oklch": {
    "l": 0.40129,
    "c": 0.13602,
    "h": 271.1
  },
  "luminance": 0.06063
}

Semantic roles & 50–950 ramp

primary

#2F3E90

secondary

#B6A965

accent

#C54EDA

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2F3E90

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

Preview Lab → · Contrast checker → · Palette generator →