#121D52#121D52

#121D52 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.9% C 0.098 H 269.4°. Best body text is #FFFFFF at 15.87:1 contrast (WCAG AA passes).

Color values

HEX	#121D52
RGB	rgb(18, 29, 82)
HSL	hsl(230, 64%, 20%)
HSV	hsv(230, 78%, 32%)
CMYK	cmyk(78%, 64.6%, 0%, 67.8%)
CIE-LAB	lab(13.33, 16.32, -33.81)
CIE-LCH	lch(13.33, 37.54, 295.77°)
OKLab	oklab(25.91% -0.001 -0.0975)
OKLCH	oklch(25.91% 0.098 269.4)
XYZ	xyz(2.2113, 1.6163, 8.1764)
Luminance	0.0162 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.95

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121D52 #524712

analogous

#123D52 #121D52 #271252

triadic

#121D52 #52121D #1D5212

tetradic

#121D52 #52123D #524712 #125227

square

#121D52 #52123D #524712 #125227

split-complementary

#121D52 #522712 #3D5212

monochromatic

#060919 #070B20 #121D52 #1D2F84 #2840B6

Accessibility & contrast

On white

15.87

#121D52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#121D52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121D52

15.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121D52	#FFFFFF	#000000	##FFFFFF
##121D52	1.00	15.87	1.32	15.87
#FFFFFF	15.87	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002554

Deuteranopia (green-blind)

#001F51

Tritanopia (blue-blind)

#002A34

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #121d52;
/* rgb */ color: rgb(18, 29, 82);
/* oklch */ color: oklch(25.9% 0.098 269.4);

Tailwind

colors: {
  custom: {
    50: '#5a5883',
    500: '#121d52',
    950: '#000000',
  },
}

SCSS

$custom: #121d52;
$custom-light: #5a5883;
$custom-dark: #000000;

JSON

{
  "hex": "#121d52",
  "rgb": {
    "r": 18,
    "g": 29,
    "b": 82
  },
  "hsl": {
    "h": 229.688,
    "s": 64,
    "l": 19.608
  },
  "oklch": {
    "l": 0.25912,
    "c": 0.09755,
    "h": 269.4
  },
  "luminance": 0.01617
}

Semantic roles & 50–950 ramp

primary

#121D52

secondary

#8B7C35

accent

#CA41E7

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #121D52

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

Preview Lab → · Contrast checker → · Palette generator →