#1C227D#1C227D

#1C227D is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.9% C 0.150 H 271.4°. Best body text is #FFFFFF at 13.34:1 contrast (WCAG AA passes).

Color values

HEX	#1C227D
RGB	rgb(28, 34, 125)
HSL	hsl(236, 63%, 30%)
HSV	hsv(236, 78%, 49%)
CMYK	cmyk(77.6%, 72.8%, 0%, 51%)
CIE-LAB	lab(19.52, 31.08, -51.88)
CIE-LCH	lch(19.52, 60.48, 300.93°)
OKLab	oklab(31.91% 0.0037 -0.1501)
OKLCH	oklch(31.91% 0.15 271.4)
XYZ	xyz(4.7513, 2.8711, 19.7018)
Luminance	0.0287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C227D #7D771C

analogous

#1C527D #1C227D #471C7D

triadic

#1C227D #7D1C22 #227D1C

tetradic

#1C227D #7D1C52 #7D771C #1C7D47

square

#1C227D #7D1C52 #7D771C #1C7D47

split-complementary

#1C227D #7D471C #527D1C

monochromatic

#060719 #11144B #1C227D #2730AF #3F49D4

Accessibility & contrast

On white

13.34

#1C227D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1C227D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C227D

13.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C227D	#FFFFFF	#000000	##FFFFFF
##1C227D	1.00	13.34	1.57	13.34
#FFFFFF	13.34	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003480

Deuteranopia (green-blind)

#002B7B

Tritanopia (blue-blind)

#003B4D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1c227d;
/* rgb */ color: rgb(28, 34, 125);
/* oklch */ color: oklch(31.9% 0.150 271.4);

Tailwind

colors: {
  custom: {
    50: '#695da4',
    500: '#1c227d',
    950: '#000000',
  },
}

SCSS

$custom: #1c227d;
$custom-light: #695da4;
$custom-dark: #000000;

JSON

{
  "hex": "#1c227d",
  "rgb": {
    "r": 28,
    "g": 34,
    "b": 125
  },
  "hsl": {
    "h": 236.289,
    "s": 63.399,
    "l": 30
  },
  "oklch": {
    "l": 0.31907,
    "c": 0.15018,
    "h": 271.4
  },
  "luminance": 0.02872
}

Semantic roles & 50–950 ramp

primary

#1C227D

secondary

#B1AA44

accent

#DC41E6

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1C227D

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

Preview Lab → · Contrast checker → · Palette generator →