#12388E#12388E

#12388E is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.4% C 0.149 H 263.1°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#12388E
RGB	rgb(18, 56, 142)
HSL	hsl(222, 78%, 31%)
HSV	hsv(222, 87%, 56%)
CMYK	cmyk(87.3%, 60.6%, 0%, 44.3%)
CIE-LAB	lab(26.47, 21.86, -51.15)
CIE-LCH	lch(26.47, 55.62, 293.14°)
OKLab	oklab(37.41% -0.0178 -0.148)
OKLCH	oklch(37.41% 0.149 263.1)
XYZ	xyz(6.5444, 4.9091, 26.1886)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12388E #8E6812

analogous

#12768E #12388E #2A128E

triadic

#12388E #8E1238 #388E12

tetradic

#12388E #8E1276 #8E6812 #128E2A

square

#12388E #8E1276 #8E6812 #128E2A

split-complementary

#12388E #8E2A12 #768E12

monochromatic

#040D21 #0B2358 #12388E #194DC4 #356BE5

Accessibility & contrast

On white

10.60

#12388E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#12388E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12388E

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12388E	#FFFFFF	#000000	##FFFFFF
##12388E	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004491

Deuteranopia (green-blind)

#00398C

Tritanopia (blue-blind)

#004E5D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #12388e;
/* rgb */ color: rgb(18, 56, 142);
/* oklch */ color: oklch(37.4% 0.149 263.1);

Tailwind

colors: {
  custom: {
    50: '#696eb0',
    500: '#12388e',
    950: '#000000',
  },
}

SCSS

$custom: #12388e;
$custom-light: #696eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#12388e",
  "rgb": {
    "r": 18,
    "g": 56,
    "b": 142
  },
  "hsl": {
    "h": 221.613,
    "s": 77.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.37408,
    "c": 0.14905,
    "h": 263.1
  },
  "luminance": 0.0491
}

Semantic roles & 50–950 ramp

primary

#12388E

secondary

#C2983A

accent

#B934F4

background

#F6F6FA

surface

#ECEBF5

border

#C7C6CF

text

#080711

muted

#7A7A80

Preview Lab

Preview with #12388E

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

Preview Lab → · Contrast checker → · Palette generator →