#121B65#121B65

#121B65 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.5% C 0.128 H 269.7°. Best body text is #FFFFFF at 15.32:1 contrast (WCAG AA passes).

Color values

HEX	#121B65
RGB	rgb(18, 27, 101)
HSL	hsl(233, 70%, 23%)
HSV	hsv(233, 82%, 40%)
CMYK	cmyk(82.2%, 73.3%, 0%, 60.4%)
CIE-LAB	lab(14.69, 25.55, -44.32)
CIE-LCH	lch(14.69, 51.15, 299.97°)
OKLab	oklab(27.5% -0.0007 -0.1283)
OKLCH	oklch(27.5% 0.128 269.7)
XYZ	xyz(2.9895, 1.8517, 12.5093)
Luminance	0.0185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121B65 #655C12

analogous

#124465 #121B65 #321265

triadic

#121B65 #65121B #1B6512

tetradic

#121B65 #651244 #655C12 #126532

square

#121B65 #651244 #655C12 #126532

split-complementary

#121B65 #653212 #446512

monochromatic

#05071A #090D31 #121B65 #1B2999 #2537CD

Accessibility & contrast

On white

15.32

#121B65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#121B65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121B65

15.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121B65	#FFFFFF	#000000	##FFFFFF
##121B65	1.00	15.32	1.37	15.32
#FFFFFF	15.32	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002967

Deuteranopia (green-blind)

#002164

Tritanopia (blue-blind)

#002F3D

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #121b65;
/* rgb */ color: rgb(18, 27, 101);
/* oklch */ color: oklch(27.5% 0.128 269.7);

Tailwind

colors: {
  custom: {
    50: '#605792',
    500: '#121b65',
    950: '#000000',
  },
}

SCSS

$custom: #121b65;
$custom-light: #605792;
$custom-dark: #000000;

JSON

{
  "hex": "#121b65",
  "rgb": {
    "r": 18,
    "g": 27,
    "b": 101
  },
  "hsl": {
    "h": 233.494,
    "s": 69.748,
    "l": 23.333
  },
  "oklch": {
    "l": 0.27495,
    "c": 0.12831,
    "h": 269.7
  },
  "luminance": 0.01852
}

Semantic roles & 50–950 ramp

primary

#121B65

secondary

#9D9236

accent

#D93BED

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #121B65

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

Preview Lab → · Contrast checker → · Palette generator →