#1C335B#1C335B

#1C335B is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.5% C 0.077 H 260.7°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#1C335B
RGB	rgb(28, 51, 91)
HSL	hsl(218, 53%, 23%)
HSV	hsv(218, 69%, 36%)
CMYK	cmyk(69.2%, 44%, 0%, 64.3%)
CIE-LAB	lab(21.47, 5.65, -26.70)
CIE-LCH	lch(21.47, 27.29, 281.94°)
OKLab	oklab(32.47% -0.0124 -0.0761)
OKLCH	oklch(32.47% 0.077 260.7)
XYZ	xyz(3.5504, 3.3695, 10.3588)
Luminance	0.0337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C335B #5B441C

analogous

#1C525B #1C335B #241C5B

triadic

#1C335B #5B1C33 #335B1C

tetradic

#1C335B #5B1C52 #5B441C #1C5B24

square

#1C335B #5B1C52 #5B441C #1C5B24

split-complementary

#1C335B #5B241C #525B1C

monochromatic

#070D17 #0E192C #1C335B #2A4D8A #3967B9

Accessibility & contrast

On white

12.54

#1C335B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1C335B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C335B

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C335B	#FFFFFF	#000000	##FFFFFF
##1C335B	1.00	12.54	1.67	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21375D

Deuteranopia (green-blind)

#18315A

Tritanopia (blue-blind)

#003C42

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1c335b;
/* rgb */ color: rgb(28, 51, 91);
/* oklch */ color: oklch(32.5% 0.077 260.7);

Tailwind

colors: {
  custom: {
    50: '#606a89',
    500: '#1c335b',
    950: '#000000',
  },
}

SCSS

$custom: #1c335b;
$custom-light: #606a89;
$custom-dark: #000000;

JSON

{
  "hex": "#1c335b",
  "rgb": {
    "r": 28,
    "g": 51,
    "b": 91
  },
  "hsl": {
    "h": 218.095,
    "s": 52.941,
    "l": 23.333
  },
  "oklch": {
    "l": 0.32473,
    "c": 0.07706,
    "h": 260.7
  },
  "luminance": 0.0337
}

Semantic roles & 50–950 ramp

primary

#1C335B

secondary

#907442

accent

#A74BDC

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060B

muted

#797A7C

Preview Lab

Preview with #1C335B

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

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