#121C7F#121C7F

#121C7F is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.7% C 0.162 H 268.4°. Best body text is #FFFFFF at 14.02:1 contrast (WCAG AA passes).

Color values

HEX	#121C7F
RGB	rgb(18, 28, 127)
HSL	hsl(234, 75%, 28%)
HSV	hsv(234, 86%, 50%)
CMYK	cmyk(85.8%, 78%, 0%, 50.2%)
CIE-LAB	lab(17.88, 34.78, -55.88)
CIE-LCH	lch(17.88, 65.82, 301.90°)
OKLab	oklab(30.66% -0.0046 -0.1619)
OKLCH	oklch(30.66% 0.162 268.4)
XYZ	xyz(4.4942, 2.4909, 20.3185)
Luminance	0.0249 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C7F #7F7512

analogous

#12527F #121C7F #3E127F

triadic

#121C7F #7F121C #1C7F12

tetradic

#121C7F #7F1252 #7F7512 #127F3E

square

#121C7F #7F1252 #7F7512 #127F3E

split-complementary

#121C7F #7F3E12 #527F12

monochromatic

#04061B #0A1049 #121C7F #1A28B5 #2B3BE1

Accessibility & contrast

On white

14.02

#121C7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#121C7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C7F

14.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C7F	#FFFFFF	#000000	##FFFFFF
##121C7F	1.00	14.02	1.50	14.02
#FFFFFF	14.02	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003182

Deuteranopia (green-blind)

#00267D

Tritanopia (blue-blind)

#003A4C

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #121c7f;
/* rgb */ color: rgb(18, 28, 127);
/* oklch */ color: oklch(30.7% 0.162 268.4);

Tailwind

colors: {
  custom: {
    50: '#6859a5',
    500: '#121c7f',
    950: '#000000',
  },
}

SCSS

$custom: #121c7f;
$custom-light: #6859a5;
$custom-dark: #000000;

JSON

{
  "hex": "#121c7f",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 127
  },
  "hsl": {
    "h": 234.495,
    "s": 75.172,
    "l": 28.431
  },
  "oklch": {
    "l": 0.30658,
    "c": 0.16202,
    "h": 268.4
  },
  "luminance": 0.02491
}

Semantic roles & 50–950 ramp

primary

#121C7F

secondary

#B5A938

accent

#E136F2

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #121C7F

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

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