#261F9B#261F9B

#261F9B is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.4% C 0.189 H 273.5°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).

Color values

HEX	#261F9B
RGB	rgb(38, 31, 155)
HSL	hsl(243, 67%, 36%)
HSV	hsv(243, 80%, 61%)
CMYK	cmyk(75.5%, 80%, 0%, 39.2%)
CIE-LAB	lab(22.85, 44.12, -65.07)
CIE-LCH	lch(22.85, 78.62, 304.14°)
OKLab	oklab(35.42% 0.0115 -0.1883)
OKLCH	oklch(35.42% 0.189 273.5)
XYZ	xyz(7.2037, 3.7579, 31.3497)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#261F9B #949B1F

analogous

#1F569B #261F9B #641F9B

triadic

#261F9B #9B261F #1F9B26

tetradic

#261F9B #9B1F56 #949B1F #1F9B64

square

#261F9B #9B1F56 #949B1F #1F9B64

split-complementary

#261F9B #9B641F #569B1F

monochromatic

#0D0B35 #191568 #261F9B #3329CE #5F57DD

Accessibility & contrast

On white

11.99

#261F9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#261F9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #261F9B

11.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##261F9B	#FFFFFF	#000000	##FFFFFF
##261F9B	1.00	11.99	1.75	11.99
#FFFFFF	11.99	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9E

Deuteranopia (green-blind)

#003199

Tritanopia (blue-blind)

#00455D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #261f9b;
/* rgb */ color: rgb(38, 31, 155);
/* oklch */ color: oklch(35.4% 0.189 273.5);

Tailwind

colors: {
  custom: {
    50: '#755eba',
    500: '#261f9b',
    950: '#000000',
  },
}

SCSS

$custom: #261f9b;
$custom-light: #755eba;
$custom-dark: #000000;

JSON

{
  "hex": "#261f9b",
  "rgb": {
    "r": 38,
    "g": 31,
    "b": 155
  },
  "hsl": {
    "h": 243.387,
    "s": 66.667,
    "l": 36.471
  },
  "oklch": {
    "l": 0.35422,
    "c": 0.18862,
    "h": 273.5
  },
  "luminance": 0.03759
}

Semantic roles & 50–950 ramp

primary

#261F9B

secondary

#BBC155

accent

#EA3EE0

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #261F9B

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

Preview Lab → · Contrast checker → · Palette generator →