#1C2175#1C2175

#1C2175 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.9% C 0.140 H 272.2°. Best body text is #FFFFFF at 13.78:1 contrast (WCAG AA passes).

Color values

HEX	#1C2175
RGB	rgb(28, 33, 117)
HSL	hsl(237, 61%, 28%)
HSV	hsv(237, 76%, 46%)
CMYK	cmyk(76.1%, 71.8%, 0%, 54.1%)
CIE-LAB	lab(18.45, 28.75, -48.53)
CIE-LCH	lch(18.45, 56.41, 300.64°)
OKLab	oklab(30.88% 0.0053 -0.1404)
OKLCH	oklch(30.88% 0.14 272.2)
XYZ	xyz(4.2325, 2.6185, 17.1085)
Luminance	0.0262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2175 #75701C

analogous

#1C4D75 #1C2175 #431C75

triadic

#1C2175 #751C21 #21751C

tetradic

#1C2175 #751C4D #75701C #1C7543

square

#1C2175 #751C4D #75701C #1C7543

split-complementary

#1C2175 #75431C #4D751C

monochromatic

#060719 #101344 #1C2175 #282FA6 #3B44D0

Accessibility & contrast

On white

13.78

#1C2175 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#1C2175 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2175

13.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2175	#FFFFFF	#000000	##FFFFFF
##1C2175	1.00	13.78	1.52	13.78
#FFFFFF	13.78	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003178

Deuteranopia (green-blind)

#002973

Tritanopia (blue-blind)

#003848

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1c2175;
/* rgb */ color: rgb(28, 33, 117);
/* oklch */ color: oklch(30.9% 0.140 272.2);

Tailwind

colors: {
  custom: {
    50: '#675c9e',
    500: '#1c2175',
    950: '#000000',
  },
}

SCSS

$custom: #1c2175;
$custom-light: #675c9e;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2175",
  "rgb": {
    "r": 28,
    "g": 33,
    "b": 117
  },
  "hsl": {
    "h": 236.629,
    "s": 61.379,
    "l": 28.431
  },
  "oklch": {
    "l": 0.3088,
    "c": 0.14047,
    "h": 272.2
  },
  "luminance": 0.02619
}

Semantic roles & 50–950 ramp

primary

#1C2175

secondary

#A9A444

accent

#DB43E4

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1C2175

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

Preview Lab → · Contrast checker → · Palette generator →