#12283A#12283A

#12283A is a dark, muted cyan. Relative luminance 0.020; OKLCH L 26.8% C 0.044 H 245.2°. Best body text is #FFFFFF at 15.10:1 contrast (WCAG AA passes).

Color values

HEX	#12283A
RGB	rgb(18, 40, 58)
HSL	hsl(207, 53%, 15%)
HSV	hsv(207, 69%, 23%)
CMYK	cmyk(69%, 31%, 0%, 77.3%)
CIE-LAB	lab(15.23, -2.04, -14.19)
CIE-LCH	lch(15.23, 14.33, 261.81°)
OKLab	oklab(26.82% -0.0184 -0.0399)
OKLCH	oklch(26.82% 0.044 245.2)
XYZ	xyz(1.7717, 1.9515, 4.2855)
Luminance	0.0195 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12283A #3A2412

analogous

#123A38 #12283A #12143A

triadic

#12283A #3A1228 #283A12

tetradic

#12283A #38123A #3A2412 #143A12

square

#12283A #38123A #3A2412 #143A12

split-complementary

#12283A #3A1214 #3A3812

monochromatic

#071017 #071017 #12283A #204869 #2F6897

Accessibility & contrast

On white

15.10

#12283A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#12283A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12283A

15.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12283A	#FFFFFF	#000000	##FFFFFF
##12283A	1.00	15.10	1.39	15.10
#FFFFFF	15.10	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20283B

Deuteranopia (green-blind)

#1B243A

Tritanopia (blue-blind)

#002C2E

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #12283a;
/* rgb */ color: rgb(18, 40, 58);
/* oklch */ color: oklch(26.8% 0.044 245.2);

Tailwind

colors: {
  custom: {
    50: '#546170',
    500: '#12283a',
    950: '#000000',
  },
}

SCSS

$custom: #12283a;
$custom-light: #546170;
$custom-dark: #000000;

JSON

{
  "hex": "#12283a",
  "rgb": {
    "r": 18,
    "g": 40,
    "b": 58
  },
  "hsl": {
    "h": 207,
    "s": 52.632,
    "l": 14.902
  },
  "oklch": {
    "l": 0.26816,
    "c": 0.04392,
    "h": 245.2
  },
  "luminance": 0.01952
}

Semantic roles & 50–950 ramp

primary

#12283A

secondary

#735135

accent

#8D4CDC

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030507

muted

#78797A

Preview Lab

Preview with #12283A

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

Preview Lab → · Contrast checker → · Palette generator →