#1C4863#1C4863

#1C4863 is a dark, moderate cyan. Relative luminance 0.058; OKLCH L 38.4% C 0.067 H 238.9°. Best body text is #FFFFFF at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#1C4863
RGB	rgb(28, 72, 99)
HSL	hsl(203, 56%, 25%)
HSV	hsv(203, 72%, 39%)
CMYK	cmyk(71.7%, 27.3%, 0%, 61.2%)
CIE-LAB	lab(28.86, -5.40, -20.26)
CIE-LCH	lch(28.86, 20.97, 255.06°)
OKLab	oklab(38.42% -0.0344 -0.057)
OKLCH	oklch(38.42% 0.067 238.9)
XYZ	xyz(5.0475, 5.7819, 12.6520)
Luminance	0.0578 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4863 #63371C

analogous

#1C635B #1C4863 #1C2463

triadic

#1C4863 #631C48 #48631C

tetradic

#1C4863 #5B1C63 #63371C #24631C

square

#1C4863 #5B1C63 #63371C #24631C

split-complementary

#1C4863 #631C24 #635B1C

monochromatic

#071118 #0F2533 #1C4863 #296B93 #378DC2

Accessibility & contrast

On white

9.74

#1C4863 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#1C4863 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4863

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4863	#FFFFFF	#000000	##FFFFFF
##1C4863	1.00	9.74	2.16	9.74
#FFFFFF	9.74	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B4864

Deuteranopia (green-blind)

#324163

Tritanopia (blue-blind)

#004F51

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1c4863;
/* rgb */ color: rgb(28, 72, 99);
/* oklch */ color: oklch(38.4% 0.067 238.9);

Tailwind

colors: {
  custom: {
    50: '#627a8f',
    500: '#1c4863',
    950: '#000000',
  },
}

SCSS

$custom: #1c4863;
$custom-light: #627a8f;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4863",
  "rgb": {
    "r": 28,
    "g": 72,
    "b": 99
  },
  "hsl": {
    "h": 202.817,
    "s": 55.906,
    "l": 24.902
  },
  "oklch": {
    "l": 0.38415,
    "c": 0.06659,
    "h": 238.9
  },
  "luminance": 0.05782
}

Semantic roles & 50–950 ramp

primary

#1C4863

secondary

#986343

accent

#8249DF

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05090C

muted

#7A7B7D

Preview Lab

Preview with #1C4863

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

Preview Lab → · Contrast checker → · Palette generator →