#1C236F#1C236F

#1C236F is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.6% C 0.130 H 272.0°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#1C236F
RGB	rgb(28, 35, 111)
HSL	hsl(235, 60%, 27%)
HSV	hsv(235, 75%, 44%)
CMYK	cmyk(74.8%, 68.5%, 0%, 56.5%)
CIE-LAB	lab(18.35, 25.11, -44.82)
CIE-LCH	lch(18.35, 51.38, 299.26°)
OKLab	oklab(30.63% 0.0046 -0.1295)
OKLCH	oklch(30.63% 0.13 272)
XYZ	xyz(3.9482, 2.5962, 15.3289)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C236F #6F681C

analogous

#1C4C6F #1C236F #3F1C6F

triadic

#1C236F #6F1C23 #236F1C

tetradic

#1C236F #6F1C4C #6F681C #1C6F3F

square

#1C236F #6F1C4C #6F681C #1C6F3F

split-complementary

#1C236F #6F3F1C #4C6F1C

monochromatic

#060818 #10143E #1C236F #2832A0 #3845CD

Accessibility & contrast

On white

13.82

#1C236F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#1C236F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C236F

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C236F	#FFFFFF	#000000	##FFFFFF
##1C236F	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003171

Deuteranopia (green-blind)

#00296E

Tritanopia (blue-blind)

#003745

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1c236f;
/* rgb */ color: rgb(28, 35, 111);
/* oklch */ color: oklch(30.6% 0.130 272.0);

Tailwind

colors: {
  custom: {
    50: '#665e99',
    500: '#1c236f',
    950: '#000000',
  },
}

SCSS

$custom: #1c236f;
$custom-light: #665e99;
$custom-dark: #000000;

JSON

{
  "hex": "#1c236f",
  "rgb": {
    "r": 28,
    "g": 35,
    "b": 111
  },
  "hsl": {
    "h": 234.94,
    "s": 59.712,
    "l": 27.255
  },
  "oklch": {
    "l": 0.30626,
    "c": 0.12959,
    "h": 272
  },
  "luminance": 0.02597
}

Semantic roles & 50–950 ramp

primary

#1C236F

secondary

#A49B43

accent

#D645E3

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #1C236F

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

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