#121A5C#121A5C

#121A5C is a dark, moderate blue. Relative luminance 0.016; OKLCH L 26.3% C 0.117 H 270.4°. Best body text is #FFFFFF at 15.81:1 contrast (WCAG AA passes).

Color values

HEX	#121A5C
RGB	rgb(18, 26, 92)
HSL	hsl(234, 67%, 22%)
HSV	hsv(234, 80%, 36%)
CMYK	cmyk(80.4%, 71.7%, 0%, 63.9%)
CIE-LAB	lab(13.47, 22.65, -40.33)
CIE-LCH	lch(13.47, 46.26, 299.32°)
OKLab	oklab(26.32% 0.0008 -0.1167)
OKLCH	oklch(26.32% 0.117 270.4)
XYZ	xyz(2.5500, 1.6398, 10.3053)
Luminance	0.0164 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121A5C #5C5412

analogous

#123F5C #121A5C #2F125C

triadic

#121A5C #5C121A #1A5C12

tetradic

#121A5C #5C123F #5C5412 #125C2F

square

#121A5C #5C123F #5C5412 #125C2F

split-complementary

#121A5C #5C2F12 #3F5C12

monochromatic

#05071A #080C29 #121A5C #1C288F #2637C2

Accessibility & contrast

On white

15.81

#121A5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#121A5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121A5C

15.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121A5C	#FFFFFF	#000000	##FFFFFF
##121A5C	1.00	15.81	1.33	15.81
#FFFFFF	15.81	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265E

Deuteranopia (green-blind)

#001F5B

Tritanopia (blue-blind)

#002C38

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #121a5c;
/* rgb */ color: rgb(18, 26, 92);
/* oklch */ color: oklch(26.3% 0.117 270.4);

Tailwind

colors: {
  custom: {
    50: '#5e568b',
    500: '#121a5c',
    950: '#000000',
  },
}

SCSS

$custom: #121a5c;
$custom-light: #5e568b;
$custom-dark: #000000;

JSON

{
  "hex": "#121a5c",
  "rgb": {
    "r": 18,
    "g": 26,
    "b": 92
  },
  "hsl": {
    "h": 233.514,
    "s": 67.273,
    "l": 21.569
  },
  "oklch": {
    "l": 0.2632,
    "c": 0.11668,
    "h": 270.4
  },
  "luminance": 0.0164
}

Semantic roles & 50–950 ramp

primary

#121A5C

secondary

#948A35

accent

#D83EEA

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #121A5C

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

Preview Lab → · Contrast checker → · Palette generator →