#11257E#11257E

#11257E is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.0% C 0.151 H 266.7°. Best body text is #FFFFFF at 13.21:1 contrast (WCAG AA passes).

Color values

HEX	#11257E
RGB	rgb(17, 37, 126)
HSL	hsl(229, 76%, 28%)
HSV	hsv(229, 87%, 49%)
CMYK	cmyk(86.5%, 70.6%, 0%, 50.6%)
CIE-LAB	lab(19.83, 28.50, -52.02)
CIE-LCH	lch(19.83, 59.31, 298.72°)
OKLab	oklab(32.02% -0.0087 -0.1507)
OKLCH	oklch(32.02% 0.151 266.7)
XYZ	xyz(4.6573, 2.9481, 20.0582)
Luminance	0.0295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11257E #7E6A11

analogous

#115B7E #11257E #33117E

triadic

#11257E #7E1125 #257E11

tetradic

#11257E #7E115B #7E6A11 #117E33

square

#11257E #7E115B #7E6A11 #117E33

split-complementary

#11257E #7E3311 #5B7E11

monochromatic

#04081B #0A1548 #11257E #1835B4 #274AE2

Accessibility & contrast

On white

13.21

#11257E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#11257E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11257E

13.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11257E	#FFFFFF	#000000	##FFFFFF
##11257E	1.00	13.21	1.59	13.21
#FFFFFF	13.21	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003581

Deuteranopia (green-blind)

#002B7C

Tritanopia (blue-blind)

#003E4E

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #11257e;
/* rgb */ color: rgb(17, 37, 126);
/* oklch */ color: oklch(32.0% 0.151 266.7);

Tailwind

colors: {
  custom: {
    50: '#665fa4',
    500: '#11257e',
    950: '#000000',
  },
}

SCSS

$custom: #11257e;
$custom-light: #665fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#11257e",
  "rgb": {
    "r": 17,
    "g": 37,
    "b": 126
  },
  "hsl": {
    "h": 228.991,
    "s": 76.224,
    "l": 28.039
  },
  "oklch": {
    "l": 0.32022,
    "c": 0.151,
    "h": 266.7
  },
  "luminance": 0.02949
}

Semantic roles & 50–950 ramp

primary

#11257E

secondary

#B49D37

accent

#D035F3

background

#F6F5FA

surface

#EBE9F4

border

#C6C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #11257E

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

Preview Lab → · Contrast checker → · Palette generator →