#2F338E#2F338E

#2F338E is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.8% C 0.148 H 274.9°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#2F338E
RGB	rgb(47, 51, 142)
HSL	hsl(237, 50%, 37%)
HSV	hsv(237, 67%, 56%)
CMYK	cmyk(66.9%, 64.1%, 0%, 44.3%)
CIE-LAB	lab(26.52, 28.65, -51.02)
CIE-LCH	lch(26.52, 58.51, 299.32°)
OKLab	oklab(37.82% 0.0126 -0.1471)
OKLCH	oklch(37.82% 0.148 274.9)
XYZ	xyz(7.2370, 4.9244, 26.1551)
Luminance	0.0493 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F338E #8E8A2F

analogous

#2F638E #2F338E #5B2F8E

triadic

#2F338E #8E2F33 #338E2F

tetradic

#2F338E #8E2F63 #8E8A2F #2F8E5B

square

#2F338E #8E2F63 #8E8A2F #2F8E5B

split-complementary

#2F338E #8E5B2F #638E2F

monochromatic

#111232 #202260 #2F338E #3E44BC #6A6ECE

Accessibility & contrast

On white

10.58

#2F338E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#2F338E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F338E

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F338E	#FFFFFF	#000000	##FFFFFF
##2F338E	1.00	10.58	1.99	10.58
#FFFFFF	10.58	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004391

Deuteranopia (green-blind)

#003B8C

Tritanopia (blue-blind)

#004A5B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2f338e;
/* rgb */ color: rgb(47, 51, 142);
/* oklch */ color: oklch(37.8% 0.148 274.9);

Tailwind

colors: {
  custom: {
    50: '#746bb0',
    500: '#2f338e',
    950: '#000000',
  },
}

SCSS

$custom: #2f338e;
$custom-light: #746bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f338e",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 142
  },
  "hsl": {
    "h": 237.474,
    "s": 50.265,
    "l": 37.059
  },
  "oklch": {
    "l": 0.37815,
    "c": 0.1476,
    "h": 274.9
  },
  "luminance": 0.04925
}

Semantic roles & 50–950 ramp

primary

#2F338E

secondary

#B5B164

accent

#D44EDA

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2F338E

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

Preview Lab → · Contrast checker → · Palette generator →