#121C5E#121C5E

#121C5E is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.9% C 0.117 H 269.7°. Best body text is #FFFFFF at 15.52:1 contrast (WCAG AA passes).

Color values

HEX	#121C5E
RGB	rgb(18, 28, 94)
HSL	hsl(232, 68%, 22%)
HSV	hsv(232, 81%, 37%)
CMYK	cmyk(80.9%, 70.2%, 0%, 63.1%)
CIE-LAB	lab(14.21, 22.04, -40.45)
CIE-LCH	lch(14.21, 46.06, 298.58°)
OKLab	oklab(26.93% -0.0007 -0.117)
OKLCH	oklch(26.93% 0.117 269.7)
XYZ	xyz(2.6844, 1.7670, 10.7871)
Luminance	0.0177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C5E #5E5412

analogous

#12425E #121C5E #2E125E

triadic

#121C5E #5E121C #1C5E12

tetradic

#121C5E #5E1242 #5E5412 #125E2E

square

#121C5E #5E1242 #5E5412 #125E2E

split-complementary

#121C5E #5E2E12 #425E12

monochromatic

#05081A #080D2B #121C5E #1C2B91 #263BC5

Accessibility & contrast

On white

15.52

#121C5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#121C5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C5E

15.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C5E	#FFFFFF	#000000	##FFFFFF
##121C5E	1.00	15.52	1.35	15.52
#FFFFFF	15.52	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002860

Deuteranopia (green-blind)

#00205D

Tritanopia (blue-blind)

#002E3A

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #121c5e;
/* rgb */ color: rgb(18, 28, 94);
/* oklch */ color: oklch(26.9% 0.117 269.7);

Tailwind

colors: {
  custom: {
    50: '#5e588c',
    500: '#121c5e',
    950: '#000000',
  },
}

SCSS

$custom: #121c5e;
$custom-light: #5e588c;
$custom-dark: #000000;

JSON

{
  "hex": "#121c5e",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 94
  },
  "hsl": {
    "h": 232.105,
    "s": 67.857,
    "l": 21.961
  },
  "oklch": {
    "l": 0.26926,
    "c": 0.11702,
    "h": 269.7
  },
  "luminance": 0.01767
}

Semantic roles & 50–950 ramp

primary

#121C5E

secondary

#968A35

accent

#D43DEB

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #121C5E

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

Preview Lab → · Contrast checker → · Palette generator →