#1C227E#1C227E

#1C227E is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.0% C 0.152 H 271.3°. Best body text is #FFFFFF at 13.30:1 contrast (WCAG AA passes).

Color values

HEX	#1C227E
RGB	rgb(28, 34, 126)
HSL	hsl(236, 64%, 30%)
HSV	hsv(236, 78%, 49%)
CMYK	cmyk(77.8%, 73%, 0%, 50.6%)
CIE-LAB	lab(19.63, 31.45, -52.34)
CIE-LCH	lch(19.63, 61.07, 301.00°)
OKLab	oklab(32.01% 0.0035 -0.1515)
OKLCH	oklch(32.01% 0.152 271.3)
XYZ	xyz(4.8155, 2.8968, 20.0400)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C227E #7E781C

analogous

#1C537E #1C227E #471C7E

triadic

#1C227E #7E1C22 #227E1C

tetradic

#1C227E #7E1C53 #7E781C #1C7E47

square

#1C227E #7E1C53 #7E781C #1C7E47

split-complementary

#1C227E #7E471C #537E1C

monochromatic

#06071A #11144C #1C227E #2730B0 #4049D5

Accessibility & contrast

On white

13.30

#1C227E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1C227E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C227E

13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C227E	#FFFFFF	#000000	##FFFFFF
##1C227E	1.00	13.30	1.58	13.30
#FFFFFF	13.30	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003481

Deuteranopia (green-blind)

#002B7C

Tritanopia (blue-blind)

#003C4D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1c227e;
/* rgb */ color: rgb(28, 34, 126);
/* oklch */ color: oklch(32.0% 0.152 271.3);

Tailwind

colors: {
  custom: {
    50: '#6a5da4',
    500: '#1c227e',
    950: '#000000',
  },
}

SCSS

$custom: #1c227e;
$custom-light: #6a5da4;
$custom-dark: #000000;

JSON

{
  "hex": "#1c227e",
  "rgb": {
    "r": 28,
    "g": 34,
    "b": 126
  },
  "hsl": {
    "h": 236.327,
    "s": 63.636,
    "l": 30.196
  },
  "oklch": {
    "l": 0.32014,
    "c": 0.15153,
    "h": 271.3
  },
  "luminance": 0.02897
}

Semantic roles & 50–950 ramp

primary

#1C227E

secondary

#B2AB44

accent

#DD41E7

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1C227E

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

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