#12428A#12428A

#12428A is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.3% C 0.131 H 259.0°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#12428A
RGB	rgb(18, 66, 138)
HSL	hsl(216, 77%, 31%)
HSV	hsv(216, 87%, 54%)
CMYK	cmyk(87%, 52.2%, 0%, 45.9%)
CIE-LAB	lab(29.05, 13.20, -44.48)
CIE-LCH	lch(29.05, 46.40, 286.53°)
OKLab	oklab(39.26% -0.0248 -0.1282)
OKLCH	oklch(39.26% 0.131 259)
XYZ	xyz(6.7834, 5.8592, 24.8132)
Luminance	0.0586 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12428A #8A5A12

analogous

#127E8A #12428A #1E128A

triadic

#12428A #8A1242 #428A12

tetradic

#12428A #8A127E #8A5A12 #128A1E

square

#12428A #8A127E #8A5A12 #128A1E

split-complementary

#12428A #8A1E12 #7E8A12

monochromatic

#040E1E #0B2854 #12428A #195CC0 #3279E4

Accessibility & contrast

On white

9.67

#12428A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#12428A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12428A

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12428A	#FFFFFF	#000000	##FFFFFF
##12428A	1.00	9.67	2.17	9.67
#FFFFFF	9.67	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#124A8D

Deuteranopia (green-blind)

#003F89

Tritanopia (blue-blind)

#00545F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #12428a;
/* rgb */ color: rgb(18, 66, 138);
/* oklch */ color: oklch(39.3% 0.131 259.0);

Tailwind

colors: {
  custom: {
    50: '#6875ad',
    500: '#12428a',
    950: '#000000',
  },
}

SCSS

$custom: #12428a;
$custom-light: #6875ad;
$custom-dark: #000000;

JSON

{
  "hex": "#12428a",
  "rgb": {
    "r": 18,
    "g": 66,
    "b": 138
  },
  "hsl": {
    "h": 216,
    "s": 76.923,
    "l": 30.588
  },
  "oklch": {
    "l": 0.39263,
    "c": 0.13057,
    "h": 259
  },
  "luminance": 0.0586
}

Semantic roles & 50–950 ramp

primary

#12428A

secondary

#BF8939

accent

#A734F3

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #12428A

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

Preview Lab → · Contrast checker → · Palette generator →