#121A55#121A55

#121A55 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.6% C 0.106 H 270.7°. Best body text is #FFFFFF at 16.10:1 contrast (WCAG AA passes).

Color values

HEX	#121A55
RGB	rgb(18, 26, 85)
HSL	hsl(233, 65%, 20%)
HSV	hsv(233, 79%, 33%)
CMYK	cmyk(78.8%, 69.4%, 0%, 66.7%)
CIE-LAB	lab(12.75, 19.80, -36.79)
CIE-LCH	lch(12.75, 41.78, 298.29°)
OKLab	oklab(25.58% 0.0013 -0.1063)
OKLCH	oklch(25.58% 0.106 270.7)
XYZ	xyz(2.2580, 1.5230, 8.7675)
Luminance	0.0152 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121A55 #554D12

analogous

#123B55 #121A55 #2B1255

triadic

#121A55 #55121A #1A5512

tetradic

#121A55 #55123B #554D12 #12552B

square

#121A55 #55123B #554D12 #12552B

split-complementary

#121A55 #552B12 #3B5512

monochromatic

#050819 #070B22 #121A55 #1D2988 #2739BA

Accessibility & contrast

On white

16.10

#121A55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#121A55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121A55

16.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121A55	#FFFFFF	#000000	##FFFFFF
##121A55	1.00	16.10	1.30	16.10
#FFFFFF	16.10	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002457

Deuteranopia (green-blind)

#001E54

Tritanopia (blue-blind)

#002934

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #121a55;
/* rgb */ color: rgb(18, 26, 85);
/* oklch */ color: oklch(25.6% 0.106 270.7);

Tailwind

colors: {
  custom: {
    50: '#5c5686',
    500: '#121a55',
    950: '#000000',
  },
}

SCSS

$custom: #121a55;
$custom-light: #5c5686;
$custom-dark: #000000;

JSON

{
  "hex": "#121a55",
  "rgb": {
    "r": 18,
    "g": 26,
    "b": 85
  },
  "hsl": {
    "h": 232.836,
    "s": 65.049,
    "l": 20.196
  },
  "oklch": {
    "l": 0.25576,
    "c": 0.10632,
    "h": 270.7
  },
  "luminance": 0.01523
}

Semantic roles & 50–950 ramp

primary

#121A55

secondary

#8E8335

accent

#D440E8

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #121A55

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

Preview Lab → · Contrast checker → · Palette generator →