#11237E#11237E

#11237E is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.7% C 0.153 H 267.1°. Best body text is #FFFFFF at 13.41:1 contrast (WCAG AA passes).

Color values

HEX	#11237E
RGB	rgb(17, 35, 126)
HSL	hsl(230, 76%, 28%)
HSV	hsv(230, 87%, 49%)
CMYK	cmyk(86.5%, 72.2%, 0%, 50.6%)
CIE-LAB	lab(19.34, 29.85, -52.84)
CIE-LCH	lch(19.34, 60.69, 299.47°)
OKLab	oklab(31.66% -0.0078 -0.1531)
OKLCH	oklch(31.66% 0.153 267.1)
XYZ	xyz(4.5968, 2.8270, 20.0380)
Luminance	0.0283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11237E #7E6C11

analogous

#11597E #11237E #36117E

triadic

#11237E #7E1123 #237E11

tetradic

#11237E #7E1159 #7E6C11 #117E36

square

#11237E #7E1159 #7E6C11 #117E36

split-complementary

#11237E #7E3611 #597E11

monochromatic

#04071B #0A1448 #11237E #1832B4 #2746E2

Accessibility & contrast

On white

13.41

#11237E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#11237E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11237E

13.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11237E	#FFFFFF	#000000	##FFFFFF
##11237E	1.00	13.41	1.57	13.41
#FFFFFF	13.41	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003481

Deuteranopia (green-blind)

#002A7C

Tritanopia (blue-blind)

#003D4D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #11237e;
/* rgb */ color: rgb(17, 35, 126);
/* oklch */ color: oklch(31.7% 0.153 267.1);

Tailwind

colors: {
  custom: {
    50: '#665ea4',
    500: '#11237e',
    950: '#000000',
  },
}

SCSS

$custom: #11237e;
$custom-light: #665ea4;
$custom-dark: #000000;

JSON

{
  "hex": "#11237e",
  "rgb": {
    "r": 17,
    "g": 35,
    "b": 126
  },
  "hsl": {
    "h": 230.092,
    "s": 76.224,
    "l": 28.039
  },
  "oklch": {
    "l": 0.31661,
    "c": 0.15334,
    "h": 267.1
  },
  "luminance": 0.02828
}

Semantic roles & 50–950 ramp

primary

#11237E

secondary

#B49F37

accent

#D335F3

background

#F6F5FA

surface

#EBE9F4

border

#C6C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #11237E

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

Preview Lab → · Contrast checker → · Palette generator →