#12408E#12408E

#12408E is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.1% C 0.139 H 260.5°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#12408E
RGB	rgb(18, 64, 142)
HSL	hsl(218, 78%, 31%)
HSV	hsv(218, 87%, 56%)
CMYK	cmyk(87.3%, 54.9%, 0%, 44.3%)
CIE-LAB	lab(28.77, 16.26, -47.42)
CIE-LCH	lch(28.77, 50.13, 288.93°)
OKLab	oklab(39.14% -0.0229 -0.1369)
OKLCH	oklch(39.14% 0.139 260.5)
XYZ	xyz(6.9636, 5.7475, 26.3283)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12408E #8E6012

analogous

#127E8E #12408E #22128E

triadic

#12408E #8E1240 #408E12

tetradic

#12408E #8E127E #8E6012 #128E22

square

#12408E #8E127E #8E6012 #128E22

split-complementary

#12408E #8E2212 #7E8E12

monochromatic

#040F21 #0B2858 #12408E #1958C4 #3576E5

Accessibility & contrast

On white

9.77

#12408E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#12408E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12408E

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12408E	#FFFFFF	#000000	##FFFFFF
##12408E	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A91

Deuteranopia (green-blind)

#003F8C

Tritanopia (blue-blind)

#005360

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #12408e;
/* rgb */ color: rgb(18, 64, 142);
/* oklch */ color: oklch(39.1% 0.139 260.5);

Tailwind

colors: {
  custom: {
    50: '#6974b0',
    500: '#12408e',
    950: '#000000',
  },
}

SCSS

$custom: #12408e;
$custom-light: #6974b0;
$custom-dark: #000000;

JSON

{
  "hex": "#12408e",
  "rgb": {
    "r": 18,
    "g": 64,
    "b": 142
  },
  "hsl": {
    "h": 217.742,
    "s": 77.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.39139,
    "c": 0.13876,
    "h": 260.5
  },
  "luminance": 0.05748
}

Semantic roles & 50–950 ramp

primary

#12408E

secondary

#C2903A

accent

#AD34F4

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #12408E

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

Preview Lab → · Contrast checker → · Palette generator →