#1C217F#1C217F

#1C217F is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.0% C 0.154 H 271.5°. Best body text is #FFFFFF at 13.35:1 contrast (WCAG AA passes).

Color values

HEX	#1C217F
RGB	rgb(28, 33, 127)
HSL	hsl(237, 64%, 30%)
HSV	hsv(237, 78%, 50%)
CMYK	cmyk(78%, 74%, 0%, 50.2%)
CIE-LAB	lab(19.50, 32.46, -53.18)
CIE-LCH	lch(19.50, 62.31, 301.40°)
OKLab	oklab(31.96% 0.0039 -0.1539)
OKLCH	oklch(31.96% 0.154 271.5)
XYZ	xyz(4.8522, 2.8664, 20.3721)
Luminance	0.0287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C217F #7F7A1C

analogous

#1C527F #1C217F #491C7F

triadic

#1C217F #7F1C21 #217F1C

tetradic

#1C217F #7F1C52 #7F7A1C #1C7F49

square

#1C217F #7F1C52 #7F7A1C #1C7F49

split-complementary

#1C217F #7F491C #527F1C

monochromatic

#06071B #11144D #1C217F #272EB1 #4048D5

Accessibility & contrast

On white

13.35

#1C217F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1C217F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C217F

13.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C217F	#FFFFFF	#000000	##FFFFFF
##1C217F	1.00	13.35	1.57	13.35
#FFFFFF	13.35	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003482

Deuteranopia (green-blind)

#002A7D

Tritanopia (blue-blind)

#003C4D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1c217f;
/* rgb */ color: rgb(28, 33, 127);
/* oklch */ color: oklch(32.0% 0.154 271.5);

Tailwind

colors: {
  custom: {
    50: '#6a5da5',
    500: '#1c217f',
    950: '#000000',
  },
}

SCSS

$custom: #1c217f;
$custom-light: #6a5da5;
$custom-dark: #000000;

JSON

{
  "hex": "#1c217f",
  "rgb": {
    "r": 28,
    "g": 33,
    "b": 127
  },
  "hsl": {
    "h": 236.97,
    "s": 63.871,
    "l": 30.392
  },
  "oklch": {
    "l": 0.31957,
    "c": 0.15399,
    "h": 271.5
  },
  "luminance": 0.02867
}

Semantic roles & 50–950 ramp

primary

#1C217F

secondary

#B3AD44

accent

#DF41E7

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #1C217F

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

Preview Lab → · Contrast checker → · Palette generator →