#121A5D#121A5D

#121A5D is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.4% C 0.118 H 270.3°. Best body text is #FFFFFF at 15.77:1 contrast (WCAG AA passes).

Color values

HEX	#121A5D
RGB	rgb(18, 26, 93)
HSL	hsl(234, 68%, 22%)
HSV	hsv(234, 81%, 36%)
CMYK	cmyk(80.6%, 72%, 0%, 63.5%)
CIE-LAB	lab(13.58, 23.06, -40.83)
CIE-LCH	lch(13.58, 46.89, 299.45°)
OKLab	oklab(26.43% 0.0007 -0.1181)
OKLCH	oklch(26.43% 0.118 270.3)
XYZ	xyz(2.5940, 1.6574, 10.5370)
Luminance	0.0166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121A5D #5D5512

analogous

#12405D #121A5D #30125D

triadic

#121A5D #5D121A #1A5D12

tetradic

#121A5D #5D1240 #5D5512 #125D30

square

#121A5D #5D1240 #5D5512 #125D30

split-complementary

#121A5D #5D3012 #405D12

monochromatic

#05071A #080C2A #121A5D #1C2890 #2637C4

Accessibility & contrast

On white

15.77

#121A5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#121A5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121A5D

15.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121A5D	#FFFFFF	#000000	##FFFFFF
##121A5D	1.00	15.77	1.33	15.77
#FFFFFF	15.77	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265F

Deuteranopia (green-blind)

#001F5C

Tritanopia (blue-blind)

#002C39

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #121a5d;
/* rgb */ color: rgb(18, 26, 93);
/* oklch */ color: oklch(26.4% 0.118 270.3);

Tailwind

colors: {
  custom: {
    50: '#5e568c',
    500: '#121a5d',
    950: '#000000',
  },
}

SCSS

$custom: #121a5d;
$custom-light: #5e568c;
$custom-dark: #000000;

JSON

{
  "hex": "#121a5d",
  "rgb": {
    "r": 18,
    "g": 26,
    "b": 93
  },
  "hsl": {
    "h": 233.6,
    "s": 67.568,
    "l": 21.765
  },
  "oklch": {
    "l": 0.26429,
    "c": 0.11813,
    "h": 270.3
  },
  "luminance": 0.01658
}

Semantic roles & 50–950 ramp

primary

#121A5D

secondary

#958B35

accent

#D83DEA

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #121A5D

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

Preview Lab → · Contrast checker → · Palette generator →