#12388D#12388D

#12388D is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.3% C 0.148 H 263.0°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#12388D
RGB	rgb(18, 56, 141)
HSL	hsl(221, 77%, 31%)
HSV	hsv(221, 87%, 55%)
CMYK	cmyk(87.2%, 60.3%, 0%, 44.7%)
CIE-LAB	lab(26.39, 21.44, -50.67)
CIE-LCH	lch(26.39, 55.02, 292.94°)
OKLab	oklab(37.32% -0.0179 -0.1466)
OKLCH	oklch(37.32% 0.148 263)
XYZ	xyz(6.4696, 4.8792, 25.7949)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12388D #8D6712

analogous

#12758D #12388D #29128D

triadic

#12388D #8D1238 #388D12

tetradic

#12388D #8D1275 #8D6712 #128D29

square

#12388D #8D1275 #8D6712 #128D29

split-complementary

#12388D #8D2912 #758D12

monochromatic

#040D20 #0B2257 #12388D #194EC3 #346BE5

Accessibility & contrast

On white

10.63

#12388D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#12388D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12388D

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12388D	#FFFFFF	#000000	##FFFFFF
##12388D	1.00	10.63	1.98	10.63
#FFFFFF	10.63	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004490

Deuteranopia (green-blind)

#00398B

Tritanopia (blue-blind)

#004E5D

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #12388d;
/* rgb */ color: rgb(18, 56, 141);
/* oklch */ color: oklch(37.3% 0.148 263.0);

Tailwind

colors: {
  custom: {
    50: '#696eaf',
    500: '#12388d',
    950: '#000000',
  },
}

SCSS

$custom: #12388d;
$custom-light: #696eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#12388d",
  "rgb": {
    "r": 18,
    "g": 56,
    "b": 141
  },
  "hsl": {
    "h": 221.463,
    "s": 77.358,
    "l": 31.176
  },
  "oklch": {
    "l": 0.37317,
    "c": 0.14767,
    "h": 263
  },
  "luminance": 0.0488
}

Semantic roles & 50–950 ramp

primary

#12388D

secondary

#C19739

accent

#B934F4

background

#F6F6FA

surface

#ECEBF5

border

#C7C6CF

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #12388D

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

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