#2F3181#2F3181

#2F3181 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.3% C 0.132 H 276.5°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#2F3181
RGB	rgb(47, 49, 129)
HSL	hsl(239, 47%, 35%)
HSV	hsv(239, 64%, 51%)
CMYK	cmyk(63.6%, 62%, 0%, 49.4%)
CIE-LAB	lab(24.91, 25.29, -45.54)
CIE-LCH	lch(24.91, 52.09, 299.05°)
OKLab	oklab(36.29% 0.015 -0.131)
OKLCH	oklch(36.29% 0.132 276.5)
XYZ	xyz(6.2318, 4.3855, 21.2827)
Luminance	0.0439 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3181 #817F2F

analogous

#2F5A81 #2F3181 #562F81

triadic

#2F3181 #812F31 #31812F

tetradic

#2F3181 #812F5A #817F2F #2F8156

square

#2F3181 #812F5A #817F2F #2F8156

split-complementary

#2F3181 #81562F #5A812F

monochromatic

#0E0F27 #1F2054 #2F3181 #3F42AE #6466C6

Accessibility & contrast

On white

11.19

#2F3181 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#2F3181 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3181

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3181	#FFFFFF	#000000	##FFFFFF
##2F3181	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F84

Deuteranopia (green-blind)

#00387F

Tritanopia (blue-blind)

#004554

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2f3181;
/* rgb */ color: rgb(47, 49, 129);
/* oklch */ color: oklch(36.3% 0.132 276.5);

Tailwind

colors: {
  custom: {
    50: '#7169a6',
    500: '#2f3181',
    950: '#000000',
  },
}

SCSS

$custom: #2f3181;
$custom-light: #7169a6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3181",
  "rgb": {
    "r": 47,
    "g": 49,
    "b": 129
  },
  "hsl": {
    "h": 238.537,
    "s": 46.591,
    "l": 34.51
  },
  "oklch": {
    "l": 0.36286,
    "c": 0.13184,
    "h": 276.5
  },
  "luminance": 0.04386
}

Semantic roles & 50–950 ramp

primary

#2F3181

secondary

#ADAB5E

accent

#D352D6

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2F3181

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

Preview Lab → · Contrast checker → · Palette generator →