#121B7E#121B7E

#121B7E is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.4% C 0.162 H 268.5°. Best body text is #FFFFFF at 14.15:1 contrast (WCAG AA passes).

Color values

HEX	#121B7E
RGB	rgb(18, 27, 126)
HSL	hsl(235, 75%, 28%)
HSV	hsv(235, 86%, 49%)
CMYK	cmyk(85.7%, 78.6%, 0%, 50.6%)
CIE-LAB	lab(17.55, 35.02, -55.79)
CIE-LCH	lch(17.55, 65.88, 302.12°)
OKLab	oklab(30.39% -0.0042 -0.1617)
OKLCH	oklch(30.39% 0.162 268.5)
XYZ	xyz(4.4060, 2.4183, 19.9692)
Luminance	0.0242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121B7E #7E7512

analogous

#12517E #121B7E #3F127E

triadic

#121B7E #7E121B #1B7E12

tetradic

#121B7E #7E1251 #7E7512 #127E3F

square

#121B7E #7E1251 #7E7512 #127E3F

split-complementary

#121B7E #7E3F12 #517E12

monochromatic

#04061B #0A1048 #121B7E #1A26B4 #2A39E1

Accessibility & contrast

On white

14.15

#121B7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#121B7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121B7E

14.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121B7E	#FFFFFF	#000000	##FFFFFF
##121B7E	1.00	14.15	1.48	14.15
#FFFFFF	14.15	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003081

Deuteranopia (green-blind)

#00267C

Tritanopia (blue-blind)

#00394B

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #121b7e;
/* rgb */ color: rgb(18, 27, 126);
/* oklch */ color: oklch(30.4% 0.162 268.5);

Tailwind

colors: {
  custom: {
    50: '#6859a5',
    500: '#121b7e',
    950: '#000000',
  },
}

SCSS

$custom: #121b7e;
$custom-light: #6859a5;
$custom-dark: #000000;

JSON

{
  "hex": "#121b7e",
  "rgb": {
    "r": 18,
    "g": 27,
    "b": 126
  },
  "hsl": {
    "h": 235,
    "s": 75,
    "l": 28.235
  },
  "oklch": {
    "l": 0.30388,
    "c": 0.16174,
    "h": 268.5
  },
  "luminance": 0.02419
}

Semantic roles & 50–950 ramp

primary

#121B7E

secondary

#B4A938

accent

#E236F2

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #121B7E

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

Preview Lab → · Contrast checker → · Palette generator →