#2F307F#2F307F

#2F307F is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.9% C 0.130 H 277.1°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#2F307F
RGB	rgb(47, 48, 127)
HSL	hsl(239, 46%, 34%)
HSV	hsv(239, 63%, 50%)
CMYK	cmyk(63%, 62.2%, 0%, 50.2%)
CIE-LAB	lab(24.48, 25.24, -44.97)
CIE-LCH	lch(24.48, 51.57, 299.31°)
OKLab	oklab(35.92% 0.016 -0.1293)
OKLCH	oklch(35.92% 0.13 277.1)
XYZ	xyz(6.0588, 4.2501, 20.5756)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F307F #7F7E2F

analogous

#2F587F #2F307F #562F7F

triadic

#2F307F #7F2F30 #307F2F

tetradic

#2F307F #7F2F58 #7F7E2F #2F7F56

square

#2F307F #7F2F58 #7F7E2F #2F7F56

split-complementary

#2F307F #7F562F #587F2F

monochromatic

#0E0E26 #1E1F52 #2F307F #4041AC #6364C5

Accessibility & contrast

On white

11.35

#2F307F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#2F307F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F307F

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F307F	#FFFFFF	#000000	##FFFFFF
##2F307F	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E82

Deuteranopia (green-blind)

#00377D

Tritanopia (blue-blind)

#004352

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2f307f;
/* rgb */ color: rgb(47, 48, 127);
/* oklch */ color: oklch(35.9% 0.130 277.1);

Tailwind

colors: {
  custom: {
    50: '#7168a5',
    500: '#2f307f',
    950: '#000000',
  },
}

SCSS

$custom: #2f307f;
$custom-light: #7168a5;
$custom-dark: #000000;

JSON

{
  "hex": "#2f307f",
  "rgb": {
    "r": 47,
    "g": 48,
    "b": 127
  },
  "hsl": {
    "h": 239.25,
    "s": 45.977,
    "l": 34.118
  },
  "oklch": {
    "l": 0.3592,
    "c": 0.13032,
    "h": 277.1
  },
  "luminance": 0.04251
}

Semantic roles & 50–950 ramp

primary

#2F307F

secondary

#ACAB5E

accent

#D452D6

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2F307F

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

Preview Lab → · Contrast checker → · Palette generator →