#121E63#121E63

#121E63 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 27.9% C 0.122 H 268.9°. Best body text is #FFFFFF at 15.09:1 contrast (WCAG AA passes).

Color values

HEX	#121E63
RGB	rgb(18, 30, 99)
HSL	hsl(231, 69%, 23%)
HSV	hsv(231, 82%, 39%)
CMYK	cmyk(81.8%, 69.7%, 0%, 61.2%)
CIE-LAB	lab(15.26, 22.64, -42.05)
CIE-LCH	lch(15.26, 47.76, 298.30°)
OKLab	oklab(27.85% -0.0023 -0.1217)
OKLCH	oklch(27.85% 0.122 268.9)
XYZ	xyz(2.9651, 1.9577, 12.0236)
Luminance	0.0196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121E63 #635712

analogous

#124663 #121E63 #2E1263

triadic

#121E63 #63121E #1E6312

tetradic

#121E63 #631246 #635712 #12632E

square

#121E63 #631246 #635712 #12632E

split-complementary

#121E63 #632E12 #466312

monochromatic

#05081A #090E2F #121E63 #1B2E97 #253DCB

Accessibility & contrast

On white

15.09

#121E63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#121E63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121E63

15.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121E63	#FFFFFF	#000000	##FFFFFF
##121E63	1.00	15.09	1.39	15.09
#FFFFFF	15.09	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A65

Deuteranopia (green-blind)

#002262

Tritanopia (blue-blind)

#00303D

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #121e63;
/* rgb */ color: rgb(18, 30, 99);
/* oklch */ color: oklch(27.9% 0.122 268.9);

Tailwind

colors: {
  custom: {
    50: '#5f5990',
    500: '#121e63',
    950: '#000000',
  },
}

SCSS

$custom: #121e63;
$custom-light: #5f5990;
$custom-dark: #000000;

JSON

{
  "hex": "#121e63",
  "rgb": {
    "r": 18,
    "g": 30,
    "b": 99
  },
  "hsl": {
    "h": 231.111,
    "s": 69.231,
    "l": 22.941
  },
  "oklch": {
    "l": 0.2785,
    "c": 0.1217,
    "h": 268.9
  },
  "luminance": 0.01958
}

Semantic roles & 50–950 ramp

primary

#121E63

secondary

#9B8C36

accent

#D23CEC

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05030D

muted

#7A787D

Preview Lab

Preview with #121E63

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

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