#1C2153#1C2153

#1C2153 is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.6% C 0.090 H 274.5°. Best body text is #FFFFFF at 15.09:1 contrast (WCAG AA passes).

Color values

HEX	#1C2153
RGB	rgb(28, 33, 83)
HSL	hsl(235, 50%, 22%)
HSV	hsv(235, 66%, 33%)
CMYK	cmyk(66.3%, 60.2%, 0%, 67.5%)
CIE-LAB	lab(15.27, 15.55, -31.31)
CIE-LCH	lch(15.27, 34.96, 296.42°)
OKLab	oklab(27.57% 0.0071 -0.0898)
OKLCH	oklch(27.57% 0.09 274.5)
XYZ	xyz(2.5836, 1.9589, 8.4239)
Luminance	0.0196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2153 #534E1C

analogous

#1C3D53 #1C2153 #331C53

triadic

#1C2153 #531C21 #21531C

tetradic

#1C2153 #531C3D #534E1C #1C5333

square

#1C2153 #531C3D #534E1C #1C5333

split-complementary

#1C2153 #53331C #3D531C

monochromatic

#080917 #0D0F25 #1C2153 #2B3381 #3B45AF

Accessibility & contrast

On white

15.09

#1C2153 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#1C2153 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2153

15.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2153	#FFFFFF	#000000	##FFFFFF
##1C2153	1.00	15.09	1.39	15.09
#FFFFFF	15.09	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002955

Deuteranopia (green-blind)

#002452

Tritanopia (blue-blind)

#002D36

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1c2153;
/* rgb */ color: rgb(28, 33, 83);
/* oklch */ color: oklch(27.6% 0.090 274.5);

Tailwind

colors: {
  custom: {
    50: '#5f5c84',
    500: '#1c2153',
    950: '#000000',
  },
}

SCSS

$custom: #1c2153;
$custom-light: #5f5c84;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2153",
  "rgb": {
    "r": 28,
    "g": 33,
    "b": 83
  },
  "hsl": {
    "h": 234.545,
    "s": 49.55,
    "l": 21.765
  },
  "oklch": {
    "l": 0.27566,
    "c": 0.09013,
    "h": 274.5
  },
  "luminance": 0.01959
}

Semantic roles & 50–950 ramp

primary

#1C2153

secondary

#898242

accent

#CD4FD9

background

#F5F5F8

surface

#EAE9EF

border

#C6C5CA

text

#05040B

muted

#79797C

Preview Lab

Preview with #1C2153

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

Preview Lab → · Contrast checker → · Palette generator →