#12127E#12127E

#12127E is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.2% C 0.170 H 269.3°. Best body text is #FFFFFF at 14.86:1 contrast (WCAG AA passes).

Color values

HEX	#12127E
RGB	rgb(18, 18, 126)
HSL	hsl(240, 75%, 28%)
HSV	hsv(240, 86%, 49%)
CMYK	cmyk(85.7%, 85.7%, 0%, 50.6%)
CIE-LAB	lab(15.84, 39.97, -58.63)
CIE-LCH	lch(15.84, 70.96, 304.29°)
OKLab	oklab(29.19% -0.0021 -0.1698)
OKLCH	oklch(29.19% 0.17 269.3)
XYZ	xyz(4.2304, 2.0671, 19.9106)
Luminance	0.0207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12127E #7E7E12

analogous

#12487E #12127E #48127E

triadic

#12127E #7E1212 #127E12

tetradic

#12127E #7E1248 #7E7E12 #127E48

square

#12127E #7E1248 #7E7E12 #127E48

split-complementary

#12127E #7E4812 #487E12

monochromatic

#04041B #0A0A48 #12127E #1A1AB4 #2A2AE1

Accessibility & contrast

On white

14.86

#12127E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#12127E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12127E

14.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12127E	#FFFFFF	#000000	##FFFFFF
##12127E	1.00	14.86	1.41	14.86
#FFFFFF	14.86	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D81

Deuteranopia (green-blind)

#00227C

Tritanopia (blue-blind)

#00354A

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #12127e;
/* rgb */ color: rgb(18, 18, 126);
/* oklch */ color: oklch(29.2% 0.170 269.3);

Tailwind

colors: {
  custom: {
    50: '#6853a5',
    500: '#12127e',
    950: '#000000',
  },
}

SCSS

$custom: #12127e;
$custom-light: #6853a5;
$custom-dark: #000000;

JSON

{
  "hex": "#12127e",
  "rgb": {
    "r": 18,
    "g": 18,
    "b": 126
  },
  "hsl": {
    "h": 240,
    "s": 75,
    "l": 28.235
  },
  "oklch": {
    "l": 0.2919,
    "c": 0.16976,
    "h": 269.3
  },
  "luminance": 0.02068
}

Semantic roles & 50–950 ramp

primary

#12127E

secondary

#B4B438

accent

#F236F2

background

#F6F4FA

surface

#ECE7F4

border

#C7C3CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #12127E

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

Preview Lab → · Contrast checker → · Palette generator →