#2F3E88#2F3E88

#2F3E88 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.5% C 0.124 H 271.0°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#2F3E88
RGB	rgb(47, 62, 136)
HSL	hsl(230, 49%, 36%)
HSV	hsv(230, 65%, 53%)
CMYK	cmyk(65.4%, 54.4%, 0%, 46.7%)
CIE-LAB	lab(28.97, 19.06, -43.32)
CIE-LCH	lch(28.97, 47.33, 293.75°)
OKLab	oklab(39.49% 0.0022 -0.1243)
OKLCH	oklch(39.49% 0.124 271)
XYZ	xyz(7.3374, 5.8265, 24.0257)
Luminance	0.0583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3E88 #88792F

analogous

#2F6A88 #2F3E88 #4C2F88

triadic

#2F3E88 #882F3E #3E882F

tetradic

#2F3E88 #882F6A #88792F #2F884C

square

#2F3E88 #882F6A #88792F #2F884C

split-complementary

#2F3E88 #884C2F #6A882F

monochromatic

#10152D #1F295B #2F3E88 #3F53B5 #6778CA

Accessibility & contrast

On white

9.70

#2F3E88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#2F3E88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3E88

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3E88	#FFFFFF	#000000	##FFFFFF
##2F3E88	1.00	9.70	2.17	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F488B

Deuteranopia (green-blind)

#004086

Tritanopia (blue-blind)

#004F5D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2f3e88;
/* rgb */ color: rgb(47, 62, 136);
/* oklch */ color: oklch(39.5% 0.124 271.0);

Tailwind

colors: {
  custom: {
    50: '#7273ab',
    500: '#2f3e88',
    950: '#000000',
  },
}

SCSS

$custom: #2f3e88;
$custom-light: #7273ab;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3e88",
  "rgb": {
    "r": 47,
    "g": 62,
    "b": 136
  },
  "hsl": {
    "h": 229.888,
    "s": 48.634,
    "l": 35.882
  },
  "oklch": {
    "l": 0.39489,
    "c": 0.12434,
    "h": 271
  },
  "luminance": 0.05827
}

Semantic roles & 50–950 ramp

primary

#2F3E88

secondary

#B1A461

accent

#C150D8

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #2F3E88

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

Preview Lab → · Contrast checker → · Palette generator →