#2F3E81#2F3E81

#2F3E81 is a dark, moderate blue. Relative luminance 0.056; OKLCH L 39.0% C 0.114 H 270.8°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#2F3E81
RGB	rgb(47, 62, 129)
HSL	hsl(229, 47%, 35%)
HSV	hsv(229, 64%, 51%)
CMYK	cmyk(63.6%, 51.9%, 0%, 49.4%)
CIE-LAB	lab(28.47, 16.46, -39.77)
CIE-LCH	lch(28.47, 43.05, 292.48°)
OKLab	oklab(38.95% 0.0016 -0.1139)
OKLCH	oklch(38.95% 0.114 270.8)
XYZ	xyz(6.8560, 5.6340, 21.4908)
Luminance	0.0563 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3E81 #81722F

analogous

#2F6781 #2F3E81 #492F81

triadic

#2F3E81 #812F3E #3E812F

tetradic

#2F3E81 #812F67 #81722F #2F8149

square

#2F3E81 #812F67 #81722F #2F8149

split-complementary

#2F3E81 #81492F #67812F

monochromatic

#0E1327 #1F2854 #2F3E81 #3F54AE #6476C6

Accessibility & contrast

On white

9.87

#2F3E81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#2F3E81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3E81

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3E81	#FFFFFF	#000000	##FFFFFF
##2F3E81	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A4783

Deuteranopia (green-blind)

#064080

Tritanopia (blue-blind)

#004D59

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2f3e81;
/* rgb */ color: rgb(47, 62, 129);
/* oklch */ color: oklch(39.0% 0.114 270.8);

Tailwind

colors: {
  custom: {
    50: '#7073a6',
    500: '#2f3e81',
    950: '#000000',
  },
}

SCSS

$custom: #2f3e81;
$custom-light: #7073a6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3e81",
  "rgb": {
    "r": 47,
    "g": 62,
    "b": 129
  },
  "hsl": {
    "h": 229.024,
    "s": 46.591,
    "l": 34.51
  },
  "oklch": {
    "l": 0.38951,
    "c": 0.11389,
    "h": 270.8
  },
  "luminance": 0.05635
}

Semantic roles & 50–950 ramp

primary

#2F3E81

secondary

#AD9F5E

accent

#BE52D6

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2F3E81

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

Preview Lab → · Contrast checker → · Palette generator →