#121958#121958

#121958 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.7% C 0.112 H 270.9°. Best body text is #FFFFFF at 16.08:1 contrast (WCAG AA passes).

Color values

HEX	#121958
RGB	rgb(18, 25, 88)
HSL	hsl(234, 66%, 21%)
HSV	hsv(234, 80%, 35%)
CMYK	cmyk(79.5%, 71.6%, 0%, 65.5%)
CIE-LAB	lab(12.79, 21.75, -38.77)
CIE-LCH	lch(12.79, 44.45, 299.29°)
OKLab	oklab(25.69% 0.0019 -0.1121)
OKLCH	oklch(25.69% 0.112 270.9)
XYZ	xyz(2.3579, 1.5282, 9.4013)
Luminance	0.0153 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121958 #585112

analogous

#123C58 #121958 #2E1258

triadic

#121958 #581219 #195812

tetradic

#121958 #58123C #585112 #12582E

square

#121958 #58123C #585112 #12582E

split-complementary

#121958 #582E12 #3C5812

monochromatic

#050719 #080B25 #121958 #1C278B #2736BE

Accessibility & contrast

On white

16.08

#121958 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#121958 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121958

16.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121958	#FFFFFF	#000000	##FFFFFF
##121958	1.00	16.08	1.31	16.08
#FFFFFF	16.08	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00245A

Deuteranopia (green-blind)

#001E57

Tritanopia (blue-blind)

#002A36

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #121958;
/* rgb */ color: rgb(18, 25, 88);
/* oklch */ color: oklch(25.7% 0.112 270.9);

Tailwind

colors: {
  custom: {
    50: '#5d5588',
    500: '#121958',
    950: '#000000',
  },
}

SCSS

$custom: #121958;
$custom-light: #5d5588;
$custom-dark: #000000;

JSON

{
  "hex": "#121958",
  "rgb": {
    "r": 18,
    "g": 25,
    "b": 88
  },
  "hsl": {
    "h": 234,
    "s": 66.038,
    "l": 20.784
  },
  "oklch": {
    "l": 0.25694,
    "c": 0.11213,
    "h": 270.9
  },
  "luminance": 0.01528
}

Semantic roles & 50–950 ramp

primary

#121958

secondary

#918735

accent

#D83FE9

background

#F5F5F8

surface

#E9E8F0

border

#C5C4CB

text

#05030B

muted

#79787C

Preview Lab

Preview with #121958

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

Preview Lab → · Contrast checker → · Palette generator →