#2F339A#2F339A

#2F339A is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.9% C 0.164 H 274.1°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#2F339A
RGB	rgb(47, 51, 154)
HSL	hsl(238, 53%, 39%)
HSV	hsv(238, 69%, 60%)
CMYK	cmyk(69.5%, 66.9%, 0%, 39.6%)
CIE-LAB	lab(27.58, 32.95, -56.65)
CIE-LCH	lch(27.58, 65.54, 300.19°)
OKLab	oklab(38.92% 0.0116 -0.1636)
OKLCH	oklch(38.92% 0.164 274.1)
XYZ	xyz(8.1869, 5.3043, 31.1580)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F339A #9A962F

analogous

#2F699A #2F339A #612F9A

triadic

#2F339A #9A2F33 #339A2F

tetradic

#2F339A #9A2F69 #9A962F #2F9A61

square

#2F339A #9A2F69 #9A962F #2F9A61

split-complementary

#2F339A #9A612F #699A2F

monochromatic

#12143C #21236B #2F339A #4146C5 #7074D3

Accessibility & contrast

On white

10.19

#2F339A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2F339A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F339A

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F339A	#FFFFFF	#000000	##FFFFFF
##2F339A	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469D

Deuteranopia (green-blind)

#003C98

Tritanopia (blue-blind)

#004E62

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2f339a;
/* rgb */ color: rgb(47, 51, 154);
/* oklch */ color: oklch(38.9% 0.164 274.1);

Tailwind

colors: {
  custom: {
    50: '#766bb9',
    500: '#2f339a',
    950: '#000000',
  },
}

SCSS

$custom: #2f339a;
$custom-light: #766bb9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f339a",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 154
  },
  "hsl": {
    "h": 237.757,
    "s": 53.234,
    "l": 39.412
  },
  "oklch": {
    "l": 0.38924,
    "c": 0.16398,
    "h": 274.1
  },
  "luminance": 0.05305
}

Semantic roles & 50–950 ramp

primary

#2F339A

secondary

#BBB86A

accent

#D74BDD

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2F339A

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

Preview Lab → · Contrast checker → · Palette generator →