#121B35#121B35

#121B35 is a very dark, muted blue. Relative luminance 0.012; OKLCH L 22.9% C 0.052 H 267.8°. Best body text is #FFFFFF at 17.02:1 contrast (WCAG AA passes).

Color values

HEX	#121B35
RGB	rgb(18, 27, 53)
HSL	hsl(225, 49%, 14%)
HSV	hsv(225, 66%, 21%)
CMYK	cmyk(66%, 49.1%, 0%, 79.2%)
CIE-LAB	lab(10.33, 5.59, -18.35)
CIE-LCH	lch(10.33, 19.18, 286.93°)
OKLab	oklab(22.89% -0.002 -0.0521)
OKLCH	oklch(22.89% 0.052 267.8)
XYZ	xyz(1.2838, 1.1694, 3.5255)
Luminance	0.0117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121B35 #352C12

analogous

#122D35 #121B35 #1B1235

triadic

#121B35 #35121B #1B3512

tetradic

#121B35 #35122D #352C12 #12351B

square

#121B35 #35122D #352C12 #12351B

split-complementary

#121B35 #351B12 #2D3512

monochromatic

#080C17 #080C17 #121B35 #223263 #314A90

Accessibility & contrast

On white

17.02

#121B35 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#121B35 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121B35

17.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121B35	#FFFFFF	#000000	##FFFFFF
##121B35	1.00	17.02	1.23	17.02
#FFFFFF	17.02	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#101E36

Deuteranopia (green-blind)

#0C1B34

Tritanopia (blue-blind)

#012125

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #121b35;
/* rgb */ color: rgb(18, 27, 53);
/* oklch */ color: oklch(22.9% 0.052 267.8);

Tailwind

colors: {
  custom: {
    50: '#53566c',
    500: '#121b35',
    950: '#000000',
  },
}

SCSS

$custom: #121b35;
$custom-light: #53566c;
$custom-dark: #000000;

JSON

{
  "hex": "#121b35",
  "rgb": {
    "r": 18,
    "g": 27,
    "b": 53
  },
  "hsl": {
    "h": 224.571,
    "s": 49.296,
    "l": 13.922
  },
  "oklch": {
    "l": 0.22894,
    "c": 0.05216,
    "h": 267.8
  },
  "luminance": 0.0117
}

Semantic roles & 50–950 ramp

primary

#121B35

secondary

#6D5F35

accent

#B54FD9

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020307

muted

#78787A

Preview Lab

Preview with #121B35

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

Preview Lab → · Contrast checker → · Palette generator →