#12113B#12113B

#12113B is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 21.0% C 0.079 H 278.3°. Best body text is #FFFFFF at 17.96:1 contrast (WCAG AA passes).

Color values

HEX	#12113B
RGB	rgb(18, 17, 59)
HSL	hsl(241, 55%, 15%)
HSV	hsv(241, 71%, 23%)
CMYK	cmyk(69.5%, 71.2%, 0%, 76.9%)
CIE-LAB	lab(7.63, 15.80, -27.01)
CIE-LCH	lch(7.63, 31.30, 300.33°)
OKLab	oklab(21.02% 0.0113 -0.0777)
OKLCH	oklch(21.02% 0.079 278.3)
XYZ	xyz(1.2391, 0.8452, 4.2347)
Luminance	0.0084 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Dark Navy

#000435

ΔE00 3.67

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12113B #3A3B11

analogous

#11253B #12113B #27113B

triadic

#12113B #3B1211 #113B12

tetradic

#12113B #3B1125 #3A3B11 #113B27

square

#12113B #3B1125 #3A3B11 #113B27

split-complementary

#12113B #3B2711 #253B11

monochromatic

#070718 #070718 #12113B #201F6B #2F2C9A

Accessibility & contrast

On white

17.96

#12113B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#12113B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12113B

17.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12113B	#FFFFFF	#000000	##FFFFFF
##12113B	1.00	17.96	1.17	17.96
#FFFFFF	17.96	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193C

Deuteranopia (green-blind)

#00153A

Tritanopia (blue-blind)

#001B23

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #12113b;
/* rgb */ color: rgb(18, 17, 59);
/* oklch */ color: oklch(21.0% 0.079 278.3);

Tailwind

colors: {
  custom: {
    50: '#554f71',
    500: '#12113b',
    950: '#000000',
  },
}

SCSS

$custom: #12113b;
$custom-light: #554f71;
$custom-dark: #000000;

JSON

{
  "hex": "#12113b",
  "rgb": {
    "r": 18,
    "g": 17,
    "b": 59
  },
  "hsl": {
    "h": 241.429,
    "s": 55.263,
    "l": 14.902
  },
  "oklch": {
    "l": 0.21019,
    "c": 0.07855,
    "h": 278.3
  },
  "luminance": 0.00845
}

Semantic roles & 50–950 ramp

primary

#12113B

secondary

#737433

accent

#DF49DB

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030108

muted

#78777B

Preview Lab

Preview with #12113B

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

Preview Lab → · Contrast checker → · Palette generator →