#1C4063#1C4063

#1C4063 is a dark, moderate cyan. Relative luminance 0.048; OKLCH L 36.3% C 0.074 H 250.0°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#1C4063
RGB	rgb(28, 64, 99)
HSL	hsl(210, 56%, 25%)
HSV	hsv(210, 72%, 39%)
CMYK	cmyk(71.7%, 35.4%, 0%, 61.2%)
CIE-LAB	lab(26.20, -0.16, -24.42)
CIE-LCH	lch(26.20, 24.42, 269.63°)
OKLab	oklab(36.32% -0.0252 -0.0692)
OKLCH	oklch(36.32% 0.074 250)
XYZ	xyz(4.5636, 4.8140, 12.4907)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4063 #633F1C

analogous

#1C6362 #1C4063 #1C1D63

triadic

#1C4063 #631C40 #40631C

tetradic

#1C4063 #621C63 #633F1C #1D631C

square

#1C4063 #621C63 #633F1C #1D631C

split-complementary

#1C4063 #631C1D #63621C

monochromatic

#070F18 #0F2133 #1C4063 #295F93 #377EC2

Accessibility & contrast

On white

10.70

#1C4063 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#1C4063 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4063

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4063	#FFFFFF	#000000	##FFFFFF
##1C4063	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314264

Deuteranopia (green-blind)

#273B62

Tritanopia (blue-blind)

#00484D

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1c4063;
/* rgb */ color: rgb(28, 64, 99);
/* oklch */ color: oklch(36.3% 0.074 250.0);

Tailwind

colors: {
  custom: {
    50: '#61748f',
    500: '#1c4063',
    950: '#000000',
  },
}

SCSS

$custom: #1c4063;
$custom-light: #61748f;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4063",
  "rgb": {
    "r": 28,
    "g": 64,
    "b": 99
  },
  "hsl": {
    "h": 209.577,
    "s": 55.906,
    "l": 24.902
  },
  "oklch": {
    "l": 0.36318,
    "c": 0.07364,
    "h": 250
  },
  "luminance": 0.04815
}

Semantic roles & 50–950 ramp

primary

#1C4063

secondary

#986D43

accent

#9349DF

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05080C

muted

#7A7B7D

Preview Lab

Preview with #1C4063

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

Preview Lab → · Contrast checker → · Palette generator →