#121E58#121E58

#121E58 is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.7% C 0.105 H 269.0°. Best body text is #FFFFFF at 15.53:1 contrast (WCAG AA passes).

Color values

HEX	#121E58
RGB	rgb(18, 30, 88)
HSL	hsl(230, 66%, 21%)
HSV	hsv(230, 80%, 35%)
CMYK	cmyk(79.5%, 65.9%, 0%, 65.5%)
CIE-LAB	lab(14.18, 18.10, -36.48)
CIE-LCH	lch(14.18, 40.72, 296.38°)
OKLab	oklab(26.72% -0.0019 -0.1054)
OKLCH	oklch(26.72% 0.105 269)
XYZ	xyz(2.4746, 1.7615, 9.4402)
Luminance	0.0176 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121E58 #584C12

analogous

#124158 #121E58 #291258

triadic

#121E58 #58121E #1E5812

tetradic

#121E58 #581241 #584C12 #125829

square

#121E58 #581241 #584C12 #125829

split-complementary

#121E58 #582912 #415812

monochromatic

#050919 #080D25 #121E58 #1C2F8B #2741BE

Accessibility & contrast

On white

15.53

#121E58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#121E58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121E58

15.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121E58	#FFFFFF	#000000	##FFFFFF
##121E58	1.00	15.53	1.35	15.53
#FFFFFF	15.53	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275A

Deuteranopia (green-blind)

#002157

Tritanopia (blue-blind)

#002D37

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #121e58;
/* rgb */ color: rgb(18, 30, 88);
/* oklch */ color: oklch(26.7% 0.105 269.0);

Tailwind

colors: {
  custom: {
    50: '#5c5988',
    500: '#121e58',
    950: '#000000',
  },
}

SCSS

$custom: #121e58;
$custom-light: #5c5988;
$custom-dark: #000000;

JSON

{
  "hex": "#121e58",
  "rgb": {
    "r": 18,
    "g": 30,
    "b": 88
  },
  "hsl": {
    "h": 229.714,
    "s": 66.038,
    "l": 20.784
  },
  "oklch": {
    "l": 0.2672,
    "c": 0.10539,
    "h": 269
  },
  "luminance": 0.01762
}

Semantic roles & 50–950 ramp

primary

#121E58

secondary

#918135

accent

#CC3FE9

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05030B

muted

#79787C

Preview Lab

Preview with #121E58

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

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