#121A7F#121A7F

#121A7F is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.4% C 0.164 H 268.6°. Best body text is #FFFFFF at 14.19:1 contrast (WCAG AA passes).

Color values

HEX	#121A7F
RGB	rgb(18, 26, 127)
HSL	hsl(236, 75%, 28%)
HSV	hsv(236, 86%, 50%)
CMYK	cmyk(85.8%, 79.5%, 0%, 50.2%)
CIE-LAB	lab(17.46, 35.98, -56.58)
CIE-LCH	lch(17.46, 67.05, 302.45°)
OKLab	oklab(30.36% -0.004 -0.164)
OKLCH	oklch(30.36% 0.164 268.6)
XYZ	xyz(4.4483, 2.3992, 20.3032)
Luminance	0.0240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121A7F #7F7712

analogous

#12507F #121A7F #40127F

triadic

#121A7F #7F121A #1A7F12

tetradic

#121A7F #7F1250 #7F7712 #127F40

square

#121A7F #7F1250 #7F7712 #127F40

split-complementary

#121A7F #7F4012 #507F12

monochromatic

#04051B #0A0F49 #121A7F #1A25B5 #2B38E1

Accessibility & contrast

On white

14.19

#121A7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#121A7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121A7F

14.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121A7F	#FFFFFF	#000000	##FFFFFF
##121A7F	1.00	14.19	1.48	14.19
#FFFFFF	14.19	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003082

Deuteranopia (green-blind)

#00257D

Tritanopia (blue-blind)

#00394C

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #121a7f;
/* rgb */ color: rgb(18, 26, 127);
/* oklch */ color: oklch(30.4% 0.164 268.6);

Tailwind

colors: {
  custom: {
    50: '#6858a5',
    500: '#121a7f',
    950: '#000000',
  },
}

SCSS

$custom: #121a7f;
$custom-light: #6858a5;
$custom-dark: #000000;

JSON

{
  "hex": "#121a7f",
  "rgb": {
    "r": 18,
    "g": 26,
    "b": 127
  },
  "hsl": {
    "h": 235.596,
    "s": 75.172,
    "l": 28.431
  },
  "oklch": {
    "l": 0.3036,
    "c": 0.164,
    "h": 268.6
  },
  "luminance": 0.024
}

Semantic roles & 50–950 ramp

primary

#121A7F

secondary

#B5AC38

accent

#E436F2

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #121A7F

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

Preview Lab → · Contrast checker → · Palette generator →