#12438E#12438E

#12438E is a dark, vivid blue. Relative luminance 0.061; OKLCH L 39.8% C 0.135 H 259.3°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#12438E
RGB	rgb(18, 67, 142)
HSL	hsl(216, 78%, 31%)
HSV	hsv(216, 87%, 56%)
CMYK	cmyk(87.3%, 52.8%, 0%, 44.3%)
CIE-LAB	lab(29.65, 14.17, -45.98)
CIE-LCH	lch(29.65, 48.12, 287.13°)
OKLab	oklab(39.81% -0.025 -0.1326)
OKLCH	oklch(39.81% 0.135 259.3)
XYZ	xyz(7.1373, 6.0950, 26.3862)
Luminance	0.0610 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12438E #8E5D12

analogous

#12818E #12438E #1F128E

triadic

#12438E #8E1243 #438E12

tetradic

#12438E #8E1281 #8E5D12 #128E1F

square

#12438E #8E1281 #8E5D12 #128E1F

split-complementary

#12438E #8E1F12 #818E12

monochromatic

#041021 #0B2958 #12438E #195DC4 #357BE5

Accessibility & contrast

On white

9.46

#12438E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#12438E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12438E

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12438E	#FFFFFF	#000000	##FFFFFF
##12438E	1.00	9.46	2.22	9.46
#FFFFFF	9.46	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F4C91

Deuteranopia (green-blind)

#00418D

Tritanopia (blue-blind)

#005562

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #12438e;
/* rgb */ color: rgb(18, 67, 142);
/* oklch */ color: oklch(39.8% 0.135 259.3);

Tailwind

colors: {
  custom: {
    50: '#6976b0',
    500: '#12438e',
    950: '#000000',
  },
}

SCSS

$custom: #12438e;
$custom-light: #6976b0;
$custom-dark: #000000;

JSON

{
  "hex": "#12438e",
  "rgb": {
    "r": 18,
    "g": 67,
    "b": 142
  },
  "hsl": {
    "h": 216.29,
    "s": 77.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.39814,
    "c": 0.13491,
    "h": 259.3
  },
  "luminance": 0.06096
}

Semantic roles & 50–950 ramp

primary

#12438E

secondary

#C28C3A

accent

#A834F4

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #12438E

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

Preview Lab → · Contrast checker → · Palette generator →