#1C216B#1C216B

#1C216B is a dark, vivid blue. Relative luminance 0.024; OKLCH L 29.8% C 0.126 H 272.9°. Best body text is #FFFFFF at 14.20:1 contrast (WCAG AA passes).

Color values

HEX	#1C216B
RGB	rgb(28, 33, 107)
HSL	hsl(236, 59%, 26%)
HSV	hsv(236, 74%, 42%)
CMYK	cmyk(73.8%, 69.2%, 0%, 58%)
CIE-LAB	lab(17.44, 24.94, -43.71)
CIE-LCH	lch(17.44, 50.33, 299.71°)
OKLab	oklab(29.84% 0.0064 -0.1263)
OKLCH	oklch(29.84% 0.126 272.9)
XYZ	xyz(3.6757, 2.3958, 14.1758)
Luminance	0.0240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C216B #6B661C

analogous

#1C496B #1C216B #3F1C6B

triadic

#1C216B #6B1C21 #216B1C

tetradic

#1C216B #6B1C49 #6B661C #1C6B3F

square

#1C216B #6B1C49 #6B661C #1C6B3F

split-complementary

#1C216B #6B3F1C #496B1C

monochromatic

#060718 #0F123A #1C216B #29309C #3740CB

Accessibility & contrast

On white

14.20

#1C216B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#1C216B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C216B

14.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C216B	#FFFFFF	#000000	##FFFFFF
##1C216B	1.00	14.20	1.48	14.20
#FFFFFF	14.20	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6D

Deuteranopia (green-blind)

#00276A

Tritanopia (blue-blind)

#003442

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1c216b;
/* rgb */ color: rgb(28, 33, 107);
/* oklch */ color: oklch(29.8% 0.126 272.9);

Tailwind

colors: {
  custom: {
    50: '#655c96',
    500: '#1c216b',
    950: '#000000',
  },
}

SCSS

$custom: #1c216b;
$custom-light: #655c96;
$custom-dark: #000000;

JSON

{
  "hex": "#1c216b",
  "rgb": {
    "r": 28,
    "g": 33,
    "b": 107
  },
  "hsl": {
    "h": 236.203,
    "s": 58.519,
    "l": 26.471
  },
  "oklch": {
    "l": 0.29844,
    "c": 0.12643,
    "h": 272.9
  },
  "luminance": 0.02396
}

Semantic roles & 50–950 ramp

primary

#1C216B

secondary

#A09A43

accent

#D846E2

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #1C216B

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

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