#121D59#121D59

#121D59 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.6% C 0.108 H 269.4°. Best body text is #FFFFFF at 15.60:1 contrast (WCAG AA passes).

Color values

HEX	#121D59
RGB	rgb(18, 29, 89)
HSL	hsl(231, 66%, 21%)
HSV	hsv(231, 80%, 35%)
CMYK	cmyk(79.8%, 67.4%, 0%, 65.1%)
CIE-LAB	lab(13.99, 19.25, -37.47)
CIE-LCH	lch(13.99, 42.12, 297.20°)
OKLab	oklab(26.61% -0.0011 -0.1083)
OKLCH	oklch(26.61% 0.108 269.4)
XYZ	xyz(2.4914, 1.7283, 9.6516)
Luminance	0.0173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121D59 #594E12

analogous

#124059 #121D59 #2A1259

triadic

#121D59 #59121D #1D5912

tetradic

#121D59 #591240 #594E12 #12592A

square

#121D59 #591240 #594E12 #12592A

split-complementary

#121D59 #592A12 #405912

monochromatic

#050819 #080C26 #121D59 #1C2E8C #273EBF

Accessibility & contrast

On white

15.60

#121D59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#121D59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121D59

15.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121D59	#FFFFFF	#000000	##FFFFFF
##121D59	1.00	15.60	1.35	15.60
#FFFFFF	15.60	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275B

Deuteranopia (green-blind)

#002058

Tritanopia (blue-blind)

#002C38

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #121d59;
/* rgb */ color: rgb(18, 29, 89);
/* oklch */ color: oklch(26.6% 0.108 269.4);

Tailwind

colors: {
  custom: {
    50: '#5c5889',
    500: '#121d59',
    950: '#000000',
  },
}

SCSS

$custom: #121d59;
$custom-light: #5c5889;
$custom-dark: #000000;

JSON

{
  "hex": "#121d59",
  "rgb": {
    "r": 18,
    "g": 29,
    "b": 89
  },
  "hsl": {
    "h": 230.704,
    "s": 66.355,
    "l": 20.98
  },
  "oklch": {
    "l": 0.26609,
    "c": 0.10827,
    "h": 269.4
  },
  "luminance": 0.01729
}

Semantic roles & 50–950 ramp

primary

#121D59

secondary

#928335

accent

#CF3FE9

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05030B

muted

#79787C

Preview Lab

Preview with #121D59

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

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