#121151#121151

#121151 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.4% C 0.112 H 274.2°. Best body text is #FFFFFF at 17.15:1 contrast (WCAG AA passes).

Color values

HEX	#121151
RGB	rgb(18, 17, 81)
HSL	hsl(241, 65%, 19%)
HSV	hsv(241, 79%, 32%)
CMYK	cmyk(77.8%, 79%, 0%, 68.2%)
CIE-LAB	lab(9.98, 24.54, -38.62)
CIE-LCH	lch(9.98, 45.75, 302.43°)
OKLab	oklab(23.44% 0.0082 -0.1117)
OKLCH	oklch(23.44% 0.112 274.2)
XYZ	xyz(1.9346, 1.1234, 7.8979)
Luminance	0.0112 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121151 #505111

analogous

#113051 #121151 #321151

triadic

#121151 #511211 #115112

tetradic

#121151 #511130 #505111 #115132

square

#121151 #511130 #505111 #115132

split-complementary

#121151 #513211 #305111

monochromatic

#060519 #07061E #121151 #1D1C84 #2826B6

Accessibility & contrast

On white

17.15

#121151 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#121151 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121151

17.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121151	#FFFFFF	#000000	##FFFFFF
##121151	1.00	17.15	1.22	17.15
#FFFFFF	17.15	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.15	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: #121151;
/* rgb */ color: rgb(18, 17, 81);
/* oklch */ color: oklch(23.4% 0.112 274.2);

Tailwind

colors: {
  custom: {
    50: '#5b4f83',
    500: '#121151',
    950: '#000000',
  },
}

SCSS

$custom: #121151;
$custom-light: #5b4f83;
$custom-dark: #000000;

JSON

{
  "hex": "#121151",
  "rgb": {
    "r": 18,
    "g": 17,
    "b": 81
  },
  "hsl": {
    "h": 240.938,
    "s": 65.306,
    "l": 19.216
  },
  "oklch": {
    "l": 0.23437,
    "c": 0.11197,
    "h": 274.2
  },
  "luminance": 0.01124
}

Semantic roles & 50–950 ramp

primary

#121151

secondary

#898A34

accent

#E840E6

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020B

muted

#79787C

Preview Lab

Preview with #121151

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

Preview Lab → · Contrast checker → · Palette generator →