#121051#121051

#121051 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.3% C 0.113 H 274.5°. Best body text is #FFFFFF at 17.23:1 contrast (WCAG AA passes).

Color values

HEX	#121051
RGB	rgb(18, 16, 81)
HSL	hsl(242, 67%, 19%)
HSV	hsv(242, 80%, 32%)
CMYK	cmyk(77.8%, 80.2%, 0%, 68.2%)
CIE-LAB	lab(9.74, 25.20, -39.00)
CIE-LCH	lch(9.74, 46.43, 302.86°)
OKLab	oklab(23.27% 0.0088 -0.1128)
OKLCH	oklch(23.27% 0.113 274.5)
XYZ	xyz(1.9195, 1.0931, 7.8928)
Luminance	0.0109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121051 #4F5110

analogous

#102F51 #121051 #331051

triadic

#121051 #511210 #105112

tetradic

#121051 #51102F #4F5110 #105133

square

#121051 #51102F #4F5110 #105133

split-complementary

#121051 #513310 #2F5110

monochromatic

#06051A #07061E #121051 #1D1A84 #2924B7

Accessibility & contrast

On white

17.23

#121051 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#121051 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121051

17.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121051	#FFFFFF	#000000	##FFFFFF
##121051	1.00	17.23	1.22	17.23
#FFFFFF	17.23	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E53

Deuteranopia (green-blind)

#001850

Tritanopia (blue-blind)

#00232F

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #121051;
/* rgb */ color: rgb(18, 16, 81);
/* oklch */ color: oklch(23.3% 0.113 274.5);

Tailwind

colors: {
  custom: {
    50: '#5c4f83',
    500: '#121051',
    950: '#000000',
  },
}

SCSS

$custom: #121051;
$custom-light: #5c4f83;
$custom-dark: #000000;

JSON

{
  "hex": "#121051",
  "rgb": {
    "r": 18,
    "g": 16,
    "b": 81
  },
  "hsl": {
    "h": 241.846,
    "s": 67.01,
    "l": 19.02
  },
  "oklch": {
    "l": 0.23269,
    "c": 0.11314,
    "h": 274.5
  },
  "luminance": 0.01093
}

Semantic roles & 50–950 ramp

primary

#121051

secondary

#888B32

accent

#EA3EE5

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #121051

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

Preview Lab → · Contrast checker → · Palette generator →