#2F3C8D#2F3C8D

#2F3C8D is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.5% C 0.134 H 271.9°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#2F3C8D
RGB	rgb(47, 60, 141)
HSL	hsl(232, 50%, 37%)
HSV	hsv(232, 67%, 55%)
CMYK	cmyk(66.7%, 57.4%, 0%, 44.7%)
CIE-LAB	lab(28.79, 22.27, -46.70)
CIE-LCH	lch(28.79, 51.74, 295.50°)
OKLab	oklab(39.48% 0.0045 -0.1343)
OKLCH	oklch(39.48% 0.134 271.9)
XYZ	xyz(7.5943, 5.7585, 25.9054)
Luminance	0.0576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3C8D #8D802F

analogous

#2F6B8D #2F3C8D #512F8D

triadic

#2F3C8D #8D2F3C #3C8D2F

tetradic

#2F3C8D #8D2F6B #8D802F #2F8D51

square

#2F3C8D #8D2F6B #8D802F #2F8D51

split-complementary

#2F3C8D #8D512F #6B8D2F

monochromatic

#101531 #20285F #2F3C8D #3E50BB #6977CD

Accessibility & contrast

On white

9.76

#2F3C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2F3C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3C8D

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3C8D	#FFFFFF	#000000	##FFFFFF
##2F3C8D	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004890

Deuteranopia (green-blind)

#00408B

Tritanopia (blue-blind)

#004F5E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2f3c8d;
/* rgb */ color: rgb(47, 60, 141);
/* oklch */ color: oklch(39.5% 0.134 271.9);

Tailwind

colors: {
  custom: {
    50: '#7371af',
    500: '#2f3c8d',
    950: '#000000',
  },
}

SCSS

$custom: #2f3c8d;
$custom-light: #7371af;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3c8d",
  "rgb": {
    "r": 47,
    "g": 60,
    "b": 141
  },
  "hsl": {
    "h": 231.702,
    "s": 50,
    "l": 36.863
  },
  "oklch": {
    "l": 0.39477,
    "c": 0.13434,
    "h": 271.9
  },
  "luminance": 0.05759
}

Semantic roles & 50–950 ramp

primary

#2F3C8D

secondary

#B4A964

accent

#C64EDA

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2F3C8D

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

Preview Lab → · Contrast checker → · Palette generator →