#1C4E63#1C4E63

#1C4E63 is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 40.0% C 0.063 H 229.2°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#1C4E63
RGB	rgb(28, 78, 99)
HSL	hsl(198, 56%, 25%)
HSV	hsv(198, 72%, 39%)
CMYK	cmyk(71.7%, 21.2%, 0%, 61.2%)
CIE-LAB	lab(30.87, -9.16, -17.13)
CIE-LCH	lch(30.87, 19.43, 241.87°)
OKLab	oklab(40.02% -0.0414 -0.048)
OKLCH	oklch(40.02% 0.063 229.2)
XYZ	xyz(5.4545, 6.5959, 12.7876)
Luminance	0.0660 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4E63 #63311C

analogous

#1C6354 #1C4E63 #1C2B63

triadic

#1C4E63 #631C4E #4E631C

tetradic

#1C4E63 #541C63 #63311C #2B631C

square

#1C4E63 #541C63 #63311C #2B631C

split-complementary

#1C4E63 #631C2B #63541C

monochromatic

#071318 #0F2833 #1C4E63 #297493 #3799C2

Accessibility & contrast

On white

9.05

#1C4E63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#1C4E63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4E63

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4E63	#FFFFFF	#000000	##FFFFFF
##1C4E63	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434D64

Deuteranopia (green-blind)

#394663

Tritanopia (blue-blind)

#005455

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1c4e63;
/* rgb */ color: rgb(28, 78, 99);
/* oklch */ color: oklch(40.0% 0.063 229.2);

Tailwind

colors: {
  custom: {
    50: '#627f8f',
    500: '#1c4e63',
    950: '#000000',
  },
}

SCSS

$custom: #1c4e63;
$custom-light: #627f8f;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4e63",
  "rgb": {
    "r": 28,
    "g": 78,
    "b": 99
  },
  "hsl": {
    "h": 197.746,
    "s": 55.906,
    "l": 24.902
  },
  "oklch": {
    "l": 0.40017,
    "c": 0.06337,
    "h": 229.2
  },
  "luminance": 0.06597
}

Semantic roles & 50–950 ramp

primary

#1C4E63

secondary

#985C43

accent

#7549DF

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#060A0C

muted

#7A7C7D

Preview Lab

Preview with #1C4E63

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

Preview Lab → · Contrast checker → · Palette generator →