#121457#121457

#121457 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.7% C 0.117 H 272.6°. Best body text is #FFFFFF at 16.62:1 contrast (WCAG AA passes).

Color values

HEX	#121457
RGB	rgb(18, 20, 87)
HSL	hsl(238, 66%, 21%)
HSV	hsv(238, 79%, 34%)
CMYK	cmyk(79.3%, 77%, 0%, 65.9%)
CIE-LAB	lab(11.39, 24.84, -40.38)
CIE-LCH	lch(11.39, 47.41, 301.60°)
OKLab	oklab(24.65% 0.0052 -0.1168)
OKLCH	oklch(24.65% 0.117 272.6)
XYZ	xyz(2.2193, 1.3168, 9.1522)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121457 #575512

analogous

#123657 #121457 #321257

triadic

#121457 #571214 #145712

tetradic

#121457 #571236 #575512 #125732

square

#121457 #571236 #575512 #125732

split-complementary

#121457 #573212 #365712

monochromatic

#050619 #080824 #121457 #1C208A #272BBC

Accessibility & contrast

On white

16.62

#121457 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#121457 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121457

16.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121457	#FFFFFF	#000000	##FFFFFF
##121457	1.00	16.62	1.26	16.62
#FFFFFF	16.62	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002259

Deuteranopia (green-blind)

#001B56

Tritanopia (blue-blind)

#002734

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #121457;
/* rgb */ color: rgb(18, 20, 87);
/* oklch */ color: oklch(24.7% 0.117 272.6);

Tailwind

colors: {
  custom: {
    50: '#5d5287',
    500: '#121457',
    950: '#000000',
  },
}

SCSS

$custom: #121457;
$custom-light: #5d5287;
$custom-dark: #000000;

JSON

{
  "hex": "#121457",
  "rgb": {
    "r": 18,
    "g": 20,
    "b": 87
  },
  "hsl": {
    "h": 238.261,
    "s": 65.714,
    "l": 20.588
  },
  "oklch": {
    "l": 0.24653,
    "c": 0.11695,
    "h": 272.6
  },
  "luminance": 0.01317
}

Semantic roles & 50–950 ramp

primary

#121457

secondary

#908D35

accent

#E43FE9

background

#F5F4F8

surface

#E9E7F0

border

#C5C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #121457

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

Preview Lab → · Contrast checker → · Palette generator →