#11255B#11255B

#11255B is a dark, moderate blue. Relative luminance 0.022; OKLCH L 28.5% C 0.101 H 265.1°. Best body text is #FFFFFF at 14.59:1 contrast (WCAG AA passes).

Color values

HEX	#11255B
RGB	rgb(17, 37, 91)
HSL	hsl(224, 69%, 21%)
HSV	hsv(224, 81%, 36%)
CMYK	cmyk(81.3%, 59.3%, 0%, 64.3%)
CIE-LAB	lab(16.49, 14.02, -34.74)
CIE-LCH	lch(16.49, 37.46, 291.98°)
OKLab	oklab(28.52% -0.0085 -0.1001)
OKLCH	oklch(28.52% 0.101 265.1)
XYZ	xyz(2.7804, 2.1973, 10.1731)
Luminance	0.0220 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11255B #5B4711

analogous

#114A5B #11255B #22115B

triadic

#11255B #5B1125 #255B11

tetradic

#11255B #5B114A #5B4711 #115B22

square

#11255B #5B114A #5B4711 #115B22

split-complementary

#11255B #5B2211 #4A5B11

monochromatic

#050A1A #071027 #11255B #1B3A8F #244FC2

Accessibility & contrast

On white

14.59

#11255B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#11255B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11255B

14.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11255B	#FFFFFF	#000000	##FFFFFF
##11255B	1.00	14.59	1.44	14.59
#FFFFFF	14.59	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C5D

Deuteranopia (green-blind)

#00265A

Tritanopia (blue-blind)

#00323C

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #11255b;
/* rgb */ color: rgb(17, 37, 91);
/* oklch */ color: oklch(28.5% 0.101 265.1);

Tailwind

colors: {
  custom: {
    50: '#5c5f8a',
    500: '#11255b',
    950: '#000000',
  },
}

SCSS

$custom: #11255b;
$custom-light: #5c5f8a;
$custom-dark: #000000;

JSON

{
  "hex": "#11255b",
  "rgb": {
    "r": 17,
    "g": 37,
    "b": 91
  },
  "hsl": {
    "h": 223.784,
    "s": 68.519,
    "l": 21.176
  },
  "oklch": {
    "l": 0.28517,
    "c": 0.1005,
    "h": 265.1
  },
  "luminance": 0.02198
}

Semantic roles & 50–950 ramp

primary

#11255B

secondary

#947A34

accent

#BC3CEB

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #11255B

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

Preview Lab → · Contrast checker → · Palette generator →