#2F317D#2F317D

#2F317D is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.9% C 0.126 H 276.9°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#2F317D
RGB	rgb(47, 49, 125)
HSL	hsl(238, 45%, 34%)
HSV	hsv(238, 62%, 49%)
CMYK	cmyk(62.4%, 60.8%, 0%, 51%)
CIE-LAB	lab(24.58, 23.85, -43.55)
CIE-LCH	lch(24.58, 49.66, 298.71°)
OKLab	oklab(35.94% 0.015 -0.1251)
OKLCH	oklch(35.94% 0.126 276.9)
XYZ	xyz(5.9711, 4.2812, 19.9098)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F317D #7D7B2F

analogous

#2F587D #2F317D #542F7D

triadic

#2F317D #7D2F31 #317D2F

tetradic

#2F317D #7D2F58 #7D7B2F #2F7D54

square

#2F317D #7D2F58 #7D7B2F #2F7D54

split-complementary

#2F317D #7D542F #587D2F

monochromatic

#0E0E24 #1E2051 #2F317D #4042A9 #6265C4

Accessibility & contrast

On white

11.31

#2F317D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2F317D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F317D

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F317D	#FFFFFF	#000000	##FFFFFF
##2F317D	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E80

Deuteranopia (green-blind)

#00377B

Tritanopia (blue-blind)

#004352

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2f317d;
/* rgb */ color: rgb(47, 49, 125);
/* oklch */ color: oklch(35.9% 0.126 276.9);

Tailwind

colors: {
  custom: {
    50: '#7069a3',
    500: '#2f317d',
    950: '#000000',
  },
}

SCSS

$custom: #2f317d;
$custom-light: #7069a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2f317d",
  "rgb": {
    "r": 47,
    "g": 49,
    "b": 125
  },
  "hsl": {
    "h": 238.462,
    "s": 45.349,
    "l": 33.725
  },
  "oklch": {
    "l": 0.35942,
    "c": 0.12604,
    "h": 276.9
  },
  "luminance": 0.04282
}

Semantic roles & 50–950 ramp

primary

#2F317D

secondary

#ABA95D

accent

#D253D5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2F317D

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

Preview Lab → · Contrast checker → · Palette generator →