#11123F#11123F

#11123F is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.6% C 0.084 H 275.8°. Best body text is #FFFFFF at 17.76:1 contrast (WCAG AA passes).

Color values

HEX	#11123F
RGB	rgb(17, 18, 63)
HSL	hsl(239, 58%, 16%)
HSV	hsv(239, 73%, 25%)
CMYK	cmyk(73%, 71.4%, 0%, 75.3%)
CIE-LAB	lab(8.22, 16.51, -28.92)
CIE-LCH	lch(8.22, 33.30, 299.72°)
OKLab	oklab(21.56% 0.0085 -0.0833)
OKLCH	oklch(21.56% 0.084 275.8)
XYZ	xyz(1.3444, 0.9106, 4.8066)
Luminance	0.0091 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11123F #3F3E11

analogous

#11293F #11123F #27113F

triadic

#11123F #3F1112 #123F11

tetradic

#11123F #3F1129 #3F3E11 #113F27

square

#11123F #3F1129 #3F3E11 #113F27

split-complementary

#11123F #3F2711 #293F11

monochromatic

#070718 #070718 #11123F #1E206F #2B2E9F

Accessibility & contrast

On white

17.76

#11123F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#11123F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11123F

17.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11123F	#FFFFFF	#000000	##FFFFFF
##11123F	1.00	17.76	1.18	17.76
#FFFFFF	17.76	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A40

Deuteranopia (green-blind)

#00163E

Tritanopia (blue-blind)

#001D26

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #11123f;
/* rgb */ color: rgb(17, 18, 63);
/* oklch */ color: oklch(21.6% 0.084 275.8);

Tailwind

colors: {
  custom: {
    50: '#564f74',
    500: '#11123f',
    950: '#000000',
  },
}

SCSS

$custom: #11123f;
$custom-light: #564f74;
$custom-dark: #000000;

JSON

{
  "hex": "#11123f",
  "rgb": {
    "r": 17,
    "g": 18,
    "b": 63
  },
  "hsl": {
    "h": 238.696,
    "s": 57.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.21555,
    "c": 0.08376,
    "h": 275.8
  },
  "luminance": 0.00911
}

Semantic roles & 50–950 ramp

primary

#11123F

secondary

#787733

accent

#DD47E1

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #11123F

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

Preview Lab → · Contrast checker → · Palette generator →