#2F3C8E#2F3C8E

#2F3C8E is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.6% C 0.136 H 271.9°. Best body text is #FFFFFF at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#2F3C8E
RGB	rgb(47, 60, 142)
HSL	hsl(232, 50%, 37%)
HSV	hsv(232, 67%, 56%)
CMYK	cmyk(66.9%, 57.7%, 0%, 44.3%)
CIE-LAB	lab(28.87, 22.64, -47.19)
CIE-LCH	lch(28.87, 52.34, 295.63°)
OKLab	oklab(39.56% 0.0045 -0.1357)
OKLCH	oklch(39.56% 0.136 271.9)
XYZ	xyz(7.6690, 5.7884, 26.2991)
Luminance	0.0579 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3C8E #8E812F

analogous

#2F6C8E #2F3C8E #512F8E

triadic

#2F3C8E #8E2F3C #3C8E2F

tetradic

#2F3C8E #8E2F6C #8E812F #2F8E51

square

#2F3C8E #8E2F6C #8E812F #2F8E51

split-complementary

#2F3C8E #8E512F #6C8E2F

monochromatic

#111532 #202960 #2F3C8E #3E4FBC #6A77CE

Accessibility & contrast

On white

9.73

#2F3C8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2F3C8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3C8E

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3C8E	#FFFFFF	#000000	##FFFFFF
##2F3C8E	1.00	9.73	2.16	9.73
#FFFFFF	9.73	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004891

Deuteranopia (green-blind)

#00408C

Tritanopia (blue-blind)

#00505F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2f3c8e;
/* rgb */ color: rgb(47, 60, 142);
/* oklch */ color: oklch(39.6% 0.136 271.9);

Tailwind

colors: {
  custom: {
    50: '#7371b0',
    500: '#2f3c8e',
    950: '#000000',
  },
}

SCSS

$custom: #2f3c8e;
$custom-light: #7371b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3c8e",
  "rgb": {
    "r": 47,
    "g": 60,
    "b": 142
  },
  "hsl": {
    "h": 231.789,
    "s": 50.265,
    "l": 37.059
  },
  "oklch": {
    "l": 0.39559,
    "c": 0.13579,
    "h": 271.9
  },
  "luminance": 0.05789
}

Semantic roles & 50–950 ramp

primary

#2F3C8E

secondary

#B5AA64

accent

#C74EDA

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2F3C8E

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

Preview Lab → · Contrast checker → · Palette generator →