#291F77#291F77

#291F77 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.7% C 0.142 H 279.6°. Best body text is #FFFFFF at 13.49:1 contrast (WCAG AA passes).

Color values

HEX	#291F77
RGB	rgb(41, 31, 119)
HSL	hsl(247, 59%, 29%)
HSV	hsv(247, 74%, 47%)
CMYK	cmyk(65.5%, 73.9%, 0%, 53.3%)
CIE-LAB	lab(19.15, 32.43, -48.62)
CIE-LCH	lch(19.15, 58.45, 303.71°)
OKLab	oklab(31.7% 0.0238 -0.1403)
OKLCH	oklch(31.7% 0.142 279.6)
XYZ	xyz(4.7332, 2.7829, 17.7369)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291F77 #6D771F

analogous

#1F4177 #291F77 #551F77

triadic

#291F77 #77291F #1F7729

tetradic

#291F77 #771F41 #6D771F #1F7755

square

#291F77 #771F41 #6D771F #1F7755

split-complementary

#291F77 #77551F #41771F

monochromatic

#080618 #181246 #291F77 #3A2CA8 #5243CE

Accessibility & contrast

On white

13.49

#291F77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#291F77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291F77

13.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291F77	#FFFFFF	#000000	##FFFFFF
##291F77	1.00	13.49	1.56	13.49
#FFFFFF	13.49	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327A

Deuteranopia (green-blind)

#002B75

Tritanopia (blue-blind)

#003748

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #291f77;
/* rgb */ color: rgb(41, 31, 119);
/* oklch */ color: oklch(31.7% 0.142 279.6);

Tailwind

colors: {
  custom: {
    50: '#6e5c9f',
    500: '#291f77',
    950: '#000000',
  },
}

SCSS

$custom: #291f77;
$custom-light: #6e5c9f;
$custom-dark: #000000;

JSON

{
  "hex": "#291f77",
  "rgb": {
    "r": 41,
    "g": 31,
    "b": 119
  },
  "hsl": {
    "h": 246.818,
    "s": 58.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.317,
    "c": 0.14227,
    "h": 279.6
  },
  "luminance": 0.02783
}

Semantic roles & 50–950 ramp

primary

#291F77

secondary

#9FAB47

accent

#E246D0

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040F

muted

#7B797E

Preview Lab

Preview with #291F77

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

Preview Lab → · Contrast checker → · Palette generator →