#121F63#121F63

#121F63 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.0% C 0.120 H 268.6°. Best body text is #FFFFFF at 14.98:1 contrast (WCAG AA passes).

Color values

HEX	#121F63
RGB	rgb(18, 31, 99)
HSL	hsl(230, 69%, 23%)
HSV	hsv(230, 82%, 39%)
CMYK	cmyk(81.8%, 68.7%, 0%, 61.2%)
CIE-LAB	lab(15.53, 21.93, -41.60)
CIE-LCH	lch(15.53, 47.03, 297.79°)
OKLab	oklab(28.05% -0.0029 -0.1204)
OKLCH	oklch(28.05% 0.12 268.6)
XYZ	xyz(2.9908, 2.0091, 12.0321)
Luminance	0.0201 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121F63 #635612

analogous

#124763 #121F63 #2D1263

triadic

#121F63 #63121F #1F6312

tetradic

#121F63 #631247 #635612 #12632D

square

#121F63 #631247 #635612 #12632D

split-complementary

#121F63 #632D12 #476312

monochromatic

#05081A #090F2F #121F63 #1B2F97 #253FCB

Accessibility & contrast

On white

14.98

#121F63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#121F63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121F63

14.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121F63	#FFFFFF	#000000	##FFFFFF
##121F63	1.00	14.98	1.40	14.98
#FFFFFF	14.98	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B65

Deuteranopia (green-blind)

#002362

Tritanopia (blue-blind)

#00313E

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #121f63;
/* rgb */ color: rgb(18, 31, 99);
/* oklch */ color: oklch(28.0% 0.120 268.6);

Tailwind

colors: {
  custom: {
    50: '#5f5a90',
    500: '#121f63',
    950: '#000000',
  },
}

SCSS

$custom: #121f63;
$custom-light: #5f5a90;
$custom-dark: #000000;

JSON

{
  "hex": "#121f63",
  "rgb": {
    "r": 18,
    "g": 31,
    "b": 99
  },
  "hsl": {
    "h": 230.37,
    "s": 69.231,
    "l": 22.941
  },
  "oklch": {
    "l": 0.28049,
    "c": 0.12041,
    "h": 268.6
  },
  "luminance": 0.02009
}

Semantic roles & 50–950 ramp

primary

#121F63

secondary

#9B8B36

accent

#D03CEC

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05030D

muted

#7A787D

Preview Lab

Preview with #121F63

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

Preview Lab → · Contrast checker → · Palette generator →