#12338D#12338D

#12338D is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.3% C 0.154 H 264.4°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#12338D
RGB	rgb(18, 51, 141)
HSL	hsl(224, 77%, 31%)
HSV	hsv(224, 87%, 55%)
CMYK	cmyk(87.2%, 63.8%, 0%, 44.7%)
CIE-LAB	lab(25.01, 24.93, -52.92)
CIE-LCH	lch(25.01, 58.50, 295.23°)
OKLab	oklab(36.29% -0.0151 -0.1533)
OKLCH	oklch(36.29% 0.154 264.4)
XYZ	xyz(6.2393, 4.4186, 25.7182)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12338D #8D6C12

analogous

#12708D #12338D #2E128D

triadic

#12338D #8D1233 #338D12

tetradic

#12338D #8D1270 #8D6C12 #128D2E

square

#12338D #8D1270 #8D6C12 #128D2E

split-complementary

#12338D #8D2E12 #708D12

monochromatic

#040C20 #0B1F57 #12338D #1947C3 #3464E5

Accessibility & contrast

On white

11.15

#12338D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#12338D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12338D

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12338D	#FFFFFF	#000000	##FFFFFF
##12338D	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004190

Deuteranopia (green-blind)

#00368B

Tritanopia (blue-blind)

#004B5B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #12338d;
/* rgb */ color: rgb(18, 51, 141);
/* oklch */ color: oklch(36.3% 0.154 264.4);

Tailwind

colors: {
  custom: {
    50: '#696aaf',
    500: '#12338d',
    950: '#000000',
  },
}

SCSS

$custom: #12338d;
$custom-light: #696aaf;
$custom-dark: #000000;

JSON

{
  "hex": "#12338d",
  "rgb": {
    "r": 18,
    "g": 51,
    "b": 141
  },
  "hsl": {
    "h": 223.902,
    "s": 77.358,
    "l": 31.176
  },
  "oklch": {
    "l": 0.36288,
    "c": 0.154,
    "h": 264.4
  },
  "luminance": 0.04419
}

Semantic roles & 50–950 ramp

primary

#12338D

secondary

#C19D39

accent

#C034F4

background

#F6F6FA

surface

#ECEBF5

border

#C7C6CF

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #12338D

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

Preview Lab → · Contrast checker → · Palette generator →