#12125A#12125A

#12125A is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.7% C 0.123 H 272.7°. Best body text is #FFFFFF at 16.67:1 contrast (WCAG AA passes).

Color values

HEX	#12125A
RGB	rgb(18, 18, 90)
HSL	hsl(240, 67%, 21%)
HSV	hsv(240, 80%, 35%)
CMYK	cmyk(80%, 80%, 0%, 64.7%)
CIE-LAB	lab(11.27, 27.30, -42.61)
CIE-LCH	lch(11.27, 50.61, 302.65°)
OKLab	oklab(24.67% 0.0058 -0.1233)
OKLCH	oklch(24.67% 0.123 272.7)
XYZ	xyz(2.3106, 1.2992, 9.7999)
Luminance	0.0130 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12125A #5A5A12

analogous

#12365A #12125A #36125A

triadic

#12125A #5A1212 #125A12

tetradic

#12125A #5A1236 #5A5A12 #125A36

square

#12125A #5A1236 #5A5A12 #125A36

split-complementary

#12125A #5A3612 #365A12

monochromatic

#05051A #080827 #12125A #1C1C8D #2626C0

Accessibility & contrast

On white

16.67

#12125A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#12125A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12125A

16.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12125A	#FFFFFF	#000000	##FFFFFF
##12125A	1.00	16.67	1.26	16.67
#FFFFFF	16.67	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215C

Deuteranopia (green-blind)

#001A59

Tritanopia (blue-blind)

#002735

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #12125a;
/* rgb */ color: rgb(18, 18, 90);
/* oklch */ color: oklch(24.7% 0.123 272.7);

Tailwind

colors: {
  custom: {
    50: '#5e518a',
    500: '#12125a',
    950: '#000000',
  },
}

SCSS

$custom: #12125a;
$custom-light: #5e518a;
$custom-dark: #000000;

JSON

{
  "hex": "#12125a",
  "rgb": {
    "r": 18,
    "g": 18,
    "b": 90
  },
  "hsl": {
    "h": 240,
    "s": 66.667,
    "l": 21.176
  },
  "oklch": {
    "l": 0.2467,
    "c": 0.12346,
    "h": 272.7
  },
  "luminance": 0.01299
}

Semantic roles & 50–950 ramp

primary

#12125A

secondary

#939335

accent

#EA3EEA

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #12125A

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

Preview Lab → · Contrast checker → · Palette generator →