#121E4C#121E4C

#121E4C is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.6% C 0.087 H 268.5°. Best body text is #FFFFFF at 15.96:1 contrast (WCAG AA passes).

Color values

HEX	#121E4C
RGB	rgb(18, 30, 76)
HSL	hsl(228, 62%, 18%)
HSV	hsv(228, 76%, 30%)
CMYK	cmyk(76.3%, 60.5%, 0%, 70.2%)
CIE-LAB	lab(13.10, 13.02, -30.08)
CIE-LCH	lch(13.10, 32.77, 293.40°)
OKLab	oklab(25.57% -0.0022 -0.0865)
OKLCH	oklch(25.57% 0.087 268.5)
XYZ	xyz(2.0178, 1.5787, 7.0345)
Luminance	0.0158 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121E4C #4C4012

analogous

#123B4C #121E4C #23124C

triadic

#121E4C #4C121E #1E4C12

tetradic

#121E4C #4C123B #4C4012 #124C23

square

#121E4C #4C123B #4C4012 #124C23

split-complementary

#121E4C #4C2312 #3B4C12

monochromatic

#060A19 #060A1B #121E4C #1E327D #2945AF

Accessibility & contrast

On white

15.96

#121E4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#121E4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121E4C

15.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121E4C	#FFFFFF	#000000	##FFFFFF
##121E4C	1.00	15.96	1.32	15.96
#FFFFFF	15.96	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00254E

Deuteranopia (green-blind)

#001F4B

Tritanopia (blue-blind)

#002931

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #121e4c;
/* rgb */ color: rgb(18, 30, 76);
/* oklch */ color: oklch(25.6% 0.087 268.5);

Tailwind

colors: {
  custom: {
    50: '#59597e',
    500: '#121e4c',
    950: '#000000',
  },
}

SCSS

$custom: #121e4c;
$custom-light: #59597e;
$custom-dark: #000000;

JSON

{
  "hex": "#121e4c",
  "rgb": {
    "r": 18,
    "g": 30,
    "b": 76
  },
  "hsl": {
    "h": 227.586,
    "s": 61.702,
    "l": 18.431
  },
  "oklch": {
    "l": 0.25574,
    "c": 0.08658,
    "h": 268.5
  },
  "luminance": 0.01579
}

Semantic roles & 50–950 ramp

primary

#121E4C

secondary

#857435

accent

#C343E5

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #121E4C

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

Preview Lab → · Contrast checker → · Palette generator →