#2F317E#2F317E

#2F317E is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.0% C 0.128 H 276.8°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#2F317E
RGB	rgb(47, 49, 126)
HSL	hsl(238, 46%, 34%)
HSV	hsv(238, 63%, 49%)
CMYK	cmyk(62.7%, 61.1%, 0%, 50.6%)
CIE-LAB	lab(24.66, 24.21, -44.05)
CIE-LCH	lch(24.66, 50.27, 298.79°)
OKLab	oklab(36.03% 0.015 -0.1266)
OKLCH	oklch(36.03% 0.128 276.8)
XYZ	xyz(6.0353, 4.3069, 20.2479)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F317E #7E7C2F

analogous

#2F597E #2F317E #552F7E

triadic

#2F317E #7E2F31 #317E2F

tetradic

#2F317E #7E2F59 #7E7C2F #2F7E55

square

#2F317E #7E2F59 #7E7C2F #2F7E55

split-complementary

#2F317E #7E552F #597E2F

monochromatic

#0E0E25 #1E2051 #2F317E #4042AB #6365C5

Accessibility & contrast

On white

11.28

#2F317E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2F317E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F317E

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F317E	#FFFFFF	#000000	##FFFFFF
##2F317E	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E81

Deuteranopia (green-blind)

#00377C

Tritanopia (blue-blind)

#004452

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2f317e;
/* rgb */ color: rgb(47, 49, 126);
/* oklch */ color: oklch(36.0% 0.128 276.8);

Tailwind

colors: {
  custom: {
    50: '#7069a4',
    500: '#2f317e',
    950: '#000000',
  },
}

SCSS

$custom: #2f317e;
$custom-light: #7069a4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f317e",
  "rgb": {
    "r": 47,
    "g": 49,
    "b": 126
  },
  "hsl": {
    "h": 238.481,
    "s": 45.665,
    "l": 33.922
  },
  "oklch": {
    "l": 0.36027,
    "c": 0.1275,
    "h": 276.8
  },
  "luminance": 0.04307
}

Semantic roles & 50–950 ramp

primary

#2F317E

secondary

#ACAA5D

accent

#D252D5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2F317E

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

Preview Lab → · Contrast checker → · Palette generator →