#1C227F#1C227F

#1C227F is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.1% C 0.153 H 271.3°. Best body text is #FFFFFF at 13.25:1 contrast (WCAG AA passes).

Color values

HEX	#1C227F
RGB	rgb(28, 34, 127)
HSL	hsl(236, 64%, 30%)
HSV	hsv(236, 78%, 50%)
CMYK	cmyk(78%, 73.2%, 0%, 50.2%)
CIE-LAB	lab(19.73, 31.83, -52.80)
CIE-LCH	lch(19.73, 61.65, 301.08°)
OKLab	oklab(32.12% 0.0034 -0.1528)
OKLCH	oklch(32.12% 0.153 271.3)
XYZ	xyz(4.8804, 2.9227, 20.3815)
Luminance	0.0292 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C227F #7F791C

analogous

#1C537F #1C227F #481C7F

triadic

#1C227F #7F1C22 #227F1C

tetradic

#1C227F #7F1C53 #7F791C #1C7F48

square

#1C227F #7F1C53 #7F791C #1C7F48

split-complementary

#1C227F #7F481C #537F1C

monochromatic

#06071B #11154D #1C227F #272FB1 #4049D5

Accessibility & contrast

On white

13.25

#1C227F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1C227F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C227F

13.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C227F	#FFFFFF	#000000	##FFFFFF
##1C227F	1.00	13.25	1.58	13.25
#FFFFFF	13.25	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003482

Deuteranopia (green-blind)

#002B7D

Tritanopia (blue-blind)

#003C4E

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1c227f;
/* rgb */ color: rgb(28, 34, 127);
/* oklch */ color: oklch(32.1% 0.153 271.3);

Tailwind

colors: {
  custom: {
    50: '#6a5ea5',
    500: '#1c227f',
    950: '#000000',
  },
}

SCSS

$custom: #1c227f;
$custom-light: #6a5ea5;
$custom-dark: #000000;

JSON

{
  "hex": "#1c227f",
  "rgb": {
    "r": 28,
    "g": 34,
    "b": 127
  },
  "hsl": {
    "h": 236.364,
    "s": 63.871,
    "l": 30.392
  },
  "oklch": {
    "l": 0.32123,
    "c": 0.15287,
    "h": 271.3
  },
  "luminance": 0.02923
}

Semantic roles & 50–950 ramp

primary

#1C227F

secondary

#B3AC44

accent

#DD41E7

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #1C227F

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

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