#1C3D64#1C3D64

#1C3D64 is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.6% C 0.078 H 254.1°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#1C3D64
RGB	rgb(28, 61, 100)
HSL	hsl(213, 56%, 25%)
HSV	hsv(213, 72%, 39%)
CMYK	cmyk(72%, 39%, 0%, 60.8%)
CIE-LAB	lab(25.27, 2.27, -26.53)
CIE-LCH	lch(25.27, 26.63, 274.89°)
OKLab	oklab(35.61% -0.0215 -0.0754)
OKLCH	oklch(35.61% 0.078 254.1)
XYZ	xyz(4.4470, 4.5040, 12.6891)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3D64 #64431C

analogous

#1C6164 #1C3D64 #1F1C64

triadic

#1C3D64 #641C3D #3D641C

tetradic

#1C3D64 #641C61 #64431C #1C641F

square

#1C3D64 #641C61 #64431C #1C641F

split-complementary

#1C3D64 #641F1C #61641C

monochromatic

#070F18 #0F2034 #1C3D64 #295A94 #3777C4

Accessibility & contrast

On white

11.05

#1C3D64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#1C3D64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3D64

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3D64	#FFFFFF	#000000	##FFFFFF
##1C3D64	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C4066

Deuteranopia (green-blind)

#213963

Tritanopia (blue-blind)

#00464B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1c3d64;
/* rgb */ color: rgb(28, 61, 100);
/* oklch */ color: oklch(35.6% 0.078 254.1);

Tailwind

colors: {
  custom: {
    50: '#617290',
    500: '#1c3d64',
    950: '#000000',
  },
}

SCSS

$custom: #1c3d64;
$custom-light: #617290;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3d64",
  "rgb": {
    "r": 28,
    "g": 61,
    "b": 100
  },
  "hsl": {
    "h": 212.5,
    "s": 56.25,
    "l": 25.098
  },
  "oklch": {
    "l": 0.35612,
    "c": 0.07841,
    "h": 254.1
  },
  "luminance": 0.04504
}

Semantic roles & 50–950 ramp

primary

#1C3D64

secondary

#997243

accent

#9A48E0

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#05070C

muted

#7A7A7D

Preview Lab

Preview with #1C3D64

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

Preview Lab → · Contrast checker → · Palette generator →