#121C5D#121C5D

#121C5D is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.8% C 0.116 H 269.7°. Best body text is #FFFFFF at 15.56:1 contrast (WCAG AA passes).

Color values

HEX	#121C5D
RGB	rgb(18, 28, 93)
HSL	hsl(232, 68%, 22%)
HSV	hsv(232, 81%, 36%)
CMYK	cmyk(80.6%, 69.9%, 0%, 63.5%)
CIE-LAB	lab(14.11, 21.63, -39.95)
CIE-LCH	lch(14.11, 45.43, 298.43°)
OKLab	oklab(26.82% -0.0006 -0.1155)
OKLCH	oklch(26.82% 0.116 269.7)
XYZ	xyz(2.6398, 1.7491, 10.5523)
Luminance	0.0175 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C5D #5D5312

analogous

#12425D #121C5D #2E125D

triadic

#121C5D #5D121C #1C5D12

tetradic

#121C5D #5D1242 #5D5312 #125D2E

square

#121C5D #5D1242 #5D5312 #125D2E

split-complementary

#121C5D #5D2E12 #425D12

monochromatic

#05081A #080D2A #121C5D #1C2B90 #263BC4

Accessibility & contrast

On white

15.56

#121C5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#121C5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C5D

15.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C5D	#FFFFFF	#000000	##FFFFFF
##121C5D	1.00	15.56	1.35	15.56
#FFFFFF	15.56	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275F

Deuteranopia (green-blind)

#00205C

Tritanopia (blue-blind)

#002D39

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #121c5d;
/* rgb */ color: rgb(18, 28, 93);
/* oklch */ color: oklch(26.8% 0.116 269.7);

Tailwind

colors: {
  custom: {
    50: '#5e588c',
    500: '#121c5d',
    950: '#000000',
  },
}

SCSS

$custom: #121c5d;
$custom-light: #5e588c;
$custom-dark: #000000;

JSON

{
  "hex": "#121c5d",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 93
  },
  "hsl": {
    "h": 232,
    "s": 67.568,
    "l": 21.765
  },
  "oklch": {
    "l": 0.2682,
    "c": 0.11555,
    "h": 269.7
  },
  "luminance": 0.01749
}

Semantic roles & 50–950 ramp

primary

#121C5D

secondary

#958935

accent

#D33DEA

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #121C5D

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

Preview Lab → · Contrast checker → · Palette generator →