#111F5B#111F5B

#111F5B is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.2% C 0.109 H 268.0°. Best body text is #FFFFFF at 15.32:1 contrast (WCAG AA passes).

Color values

HEX	#111F5B
RGB	rgb(17, 31, 91)
HSL	hsl(229, 69%, 21%)
HSV	hsv(229, 81%, 36%)
CMYK	cmyk(81.3%, 65.9%, 0%, 64.3%)
CIE-LAB	lab(14.70, 18.48, -37.65)
CIE-LCH	lch(14.70, 41.94, 296.15°)
OKLab	oklab(27.18% -0.0037 -0.1088)
OKLCH	oklch(27.18% 0.109 268)
XYZ	xyz(2.6088, 1.8542, 10.1159)
Luminance	0.0185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#111F5B #5B4D11

analogous

#11445B #111F5B #28115B

triadic

#111F5B #5B111F #1F5B11

tetradic

#111F5B #5B1144 #5B4D11 #115B28

square

#111F5B #5B1144 #5B4D11 #115B28

split-complementary

#111F5B #5B2811 #445B11

monochromatic

#05091A #070D27 #111F5B #1B318F #2442C2

Accessibility & contrast

On white

15.32

#111F5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#111F5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #111F5B

15.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##111F5B	#FFFFFF	#000000	##FFFFFF
##111F5B	1.00	15.32	1.37	15.32
#FFFFFF	15.32	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00295D

Deuteranopia (green-blind)

#00225A

Tritanopia (blue-blind)

#002E39

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #111f5b;
/* rgb */ color: rgb(17, 31, 91);
/* oklch */ color: oklch(27.2% 0.109 268.0);

Tailwind

colors: {
  custom: {
    50: '#5c5a8a',
    500: '#111f5b',
    950: '#000000',
  },
}

SCSS

$custom: #111f5b;
$custom-light: #5c5a8a;
$custom-dark: #000000;

JSON

{
  "hex": "#111f5b",
  "rgb": {
    "r": 17,
    "g": 31,
    "b": 91
  },
  "hsl": {
    "h": 228.649,
    "s": 68.519,
    "l": 21.176
  },
  "oklch": {
    "l": 0.2718,
    "c": 0.10886,
    "h": 268
  },
  "luminance": 0.01854
}

Semantic roles & 50–950 ramp

primary

#111F5B

secondary

#948234

accent

#CA3CEB

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #111F5B

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

Preview Lab → · Contrast checker → · Palette generator →