#121E7E#121E7E

#121E7E is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.9% C 0.159 H 268.2°. Best body text is #FFFFFF at 13.88:1 contrast (WCAG AA passes).

Color values

HEX	#121E7E
RGB	rgb(18, 30, 126)
HSL	hsl(233, 75%, 28%)
HSV	hsv(233, 86%, 49%)
CMYK	cmyk(85.7%, 76.2%, 0%, 50.6%)
CIE-LAB	lab(18.20, 33.17, -54.71)
CIE-LCH	lch(18.20, 63.98, 301.23°)
OKLab	oklab(30.86% -0.0051 -0.1586)
OKLCH	oklch(30.86% 0.159 268.2)
XYZ	xyz(4.4783, 2.5630, 19.9933)
Luminance	0.0256 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121E7E #7E7212

analogous

#12547E #121E7E #3C127E

triadic

#121E7E #7E121E #1E7E12

tetradic

#121E7E #7E1254 #7E7212 #127E3C

square

#121E7E #7E1254 #7E7212 #127E3C

split-complementary

#121E7E #7E3C12 #547E12

monochromatic

#04061B #0A1148 #121E7E #1A2BB4 #2A3EE1

Accessibility & contrast

On white

13.88

#121E7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#121E7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121E7E

13.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121E7E	#FFFFFF	#000000	##FFFFFF
##121E7E	1.00	13.88	1.51	13.88
#FFFFFF	13.88	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003281

Deuteranopia (green-blind)

#00277C

Tritanopia (blue-blind)

#003A4C

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #121e7e;
/* rgb */ color: rgb(18, 30, 126);
/* oklch */ color: oklch(30.9% 0.159 268.2);

Tailwind

colors: {
  custom: {
    50: '#675aa4',
    500: '#121e7e',
    950: '#000000',
  },
}

SCSS

$custom: #121e7e;
$custom-light: #675aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#121e7e",
  "rgb": {
    "r": 18,
    "g": 30,
    "b": 126
  },
  "hsl": {
    "h": 233.333,
    "s": 75,
    "l": 28.235
  },
  "oklch": {
    "l": 0.30855,
    "c": 0.15864,
    "h": 268.2
  },
  "luminance": 0.02564
}

Semantic roles & 50–950 ramp

primary

#121E7E

secondary

#B4A638

accent

#DD36F2

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #121E7E

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

Preview Lab → · Contrast checker → · Palette generator →