#291B70#291B70

#291B70 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.4% C 0.138 H 281.9°. Best body text is #FFFFFF at 14.14:1 contrast (WCAG AA passes).

Color values

HEX	#291B70
RGB	rgb(41, 27, 112)
HSL	hsl(250, 61%, 27%)
HSV	hsv(250, 76%, 44%)
CMYK	cmyk(63.4%, 75.9%, 0%, 56.1%)
CIE-LAB	lab(17.57, 32.47, -46.70)
CIE-LCH	lch(17.57, 56.88, 304.81°)
OKLab	oklab(30.36% 0.0285 -0.1346)
OKLCH	oklch(30.36% 0.138 281.9)
XYZ	xyz(4.2301, 2.4248, 15.5712)
Luminance	0.0243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291B70 #62701B

analogous

#1B3870 #291B70 #531B70

triadic

#291B70 #70291B #1B7029

tetradic

#291B70 #701B38 #62701B #1B7053

square

#291B70 #701B38 #62701B #1B7053

split-complementary

#291B70 #70531B #38701B

monochromatic

#090619 #170F3F #291B70 #3B27A1 #5037CF

Accessibility & contrast

On white

14.14

#291B70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#291B70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291B70

14.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291B70	#FFFFFF	#000000	##FFFFFF
##291B70	1.00	14.14	1.49	14.14
#FFFFFF	14.14	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E72

Deuteranopia (green-blind)

#00286E

Tritanopia (blue-blind)

#003243

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #291b70;
/* rgb */ color: rgb(41, 27, 112);
/* oklch */ color: oklch(30.4% 0.138 281.9);

Tailwind

colors: {
  custom: {
    50: '#6d599a',
    500: '#291b70',
    950: '#000000',
  },
}

SCSS

$custom: #291b70;
$custom-light: #6d599a;
$custom-dark: #000000;

JSON

{
  "hex": "#291b70",
  "rgb": {
    "r": 41,
    "g": 27,
    "b": 112
  },
  "hsl": {
    "h": 249.882,
    "s": 61.151,
    "l": 27.255
  },
  "oklch": {
    "l": 0.30361,
    "c": 0.1376,
    "h": 281.9
  },
  "luminance": 0.02425
}

Semantic roles & 50–950 ramp

primary

#291B70

secondary

#95A542

accent

#E444CA

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#08030E

muted

#7A787E

Preview Lab

Preview with #291B70

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

Preview Lab → · Contrast checker → · Palette generator →