#2F337A#2F337A

#2F337A is a dark, moderate blue. Relative luminance 0.044; OKLCH L 36.1% C 0.119 H 276.2°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#2F337A
RGB	rgb(47, 51, 122)
HSL	hsl(237, 44%, 33%)
HSV	hsv(237, 61%, 48%)
CMYK	cmyk(61.5%, 58.2%, 0%, 52.2%)
CIE-LAB	lab(24.88, 21.41, -41.17)
CIE-LCH	lch(24.88, 46.40, 297.47°)
OKLab	oklab(36.09% 0.0129 -0.1181)
OKLCH	oklch(36.09% 0.119 276.2)
XYZ	xyz(5.8678, 4.3767, 18.9442)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F337A #7A762F

analogous

#2F587A #2F337A #502F7A

triadic

#2F337A #7A2F33 #337A2F

tetradic

#2F337A #7A2F58 #7A762F #2F7A50

square

#2F337A #7A2F58 #7A762F #2F7A50

split-complementary

#2F337A #7A502F #587A2F

monochromatic

#0D0E22 #1E214E #2F337A #4045A6 #6166C2

Accessibility & contrast

On white

11.20

#2F337A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#2F337A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F337A

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F337A	#FFFFFF	#000000	##FFFFFF
##2F337A	1.00	11.20	1.88	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7C

Deuteranopia (green-blind)

#003879

Tritanopia (blue-blind)

#004451

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2f337a;
/* rgb */ color: rgb(47, 51, 122);
/* oklch */ color: oklch(36.1% 0.119 276.2);

Tailwind

colors: {
  custom: {
    50: '#706aa1',
    500: '#2f337a',
    950: '#000000',
  },
}

SCSS

$custom: #2f337a;
$custom-light: #706aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f337a",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 122
  },
  "hsl": {
    "h": 236.8,
    "s": 44.379,
    "l": 33.137
  },
  "oklch": {
    "l": 0.36089,
    "c": 0.11882,
    "h": 276.2
  },
  "luminance": 0.04377
}

Semantic roles & 50–950 ramp

primary

#2F337A

secondary

#A9A55C

accent

#CD54D4

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2F337A

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

Preview Lab → · Contrast checker → · Palette generator →