#2F338F#2F338F

#2F338F is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.9% C 0.149 H 274.8°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#2F338F
RGB	rgb(47, 51, 143)
HSL	hsl(238, 51%, 37%)
HSV	hsv(238, 67%, 56%)
CMYK	cmyk(67.1%, 64.3%, 0%, 43.9%)
CIE-LAB	lab(26.60, 29.01, -51.50)
CIE-LCH	lch(26.60, 59.11, 299.40°)
OKLab	oklab(37.91% 0.0125 -0.1485)
OKLCH	oklch(37.91% 0.149 274.8)
XYZ	xyz(7.3124, 4.9545, 26.5522)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F338F #8F8B2F

analogous

#2F638F #2F338F #5B2F8F

triadic

#2F338F #8F2F33 #338F2F

tetradic

#2F338F #8F2F63 #8F8B2F #2F8F5B

square

#2F338F #8F2F63 #8F8B2F #2F8F5B

split-complementary

#2F338F #8F5B2F #638F2F

monochromatic

#111233 #202361 #2F338F #3E43BD #6A6ECE

Accessibility & contrast

On white

10.55

#2F338F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#2F338F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F338F

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F338F	#FFFFFF	#000000	##FFFFFF
##2F338F	1.00	10.55	1.99	10.55
#FFFFFF	10.55	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004392

Deuteranopia (green-blind)

#003B8D

Tritanopia (blue-blind)

#004A5C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2f338f;
/* rgb */ color: rgb(47, 51, 143);
/* oklch */ color: oklch(37.9% 0.149 274.8);

Tailwind

colors: {
  custom: {
    50: '#746bb1',
    500: '#2f338f',
    950: '#000000',
  },
}

SCSS

$custom: #2f338f;
$custom-light: #746bb1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f338f",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 143
  },
  "hsl": {
    "h": 237.5,
    "s": 50.526,
    "l": 37.255
  },
  "oklch": {
    "l": 0.37906,
    "c": 0.14899,
    "h": 274.8
  },
  "luminance": 0.04955
}

Semantic roles & 50–950 ramp

primary

#2F338F

secondary

#B5B265

accent

#D44EDA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2F338F

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

Preview Lab → · Contrast checker → · Palette generator →