#1C4263#1C4263

#1C4263 is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 36.8% C 0.072 H 247.4°. Best body text is #FFFFFF at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#1C4263
RGB	rgb(28, 66, 99)
HSL	hsl(208, 56%, 25%)
HSV	hsv(208, 72%, 39%)
CMYK	cmyk(71.7%, 33.3%, 0%, 61.2%)
CIE-LAB	lab(26.86, -1.50, -23.38)
CIE-LCH	lch(26.86, 23.43, 266.34°)
OKLab	oklab(36.84% -0.0275 -0.0661)
OKLCH	oklch(36.84% 0.072 247.4)
XYZ	xyz(4.6784, 5.0437, 12.5289)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4263 #633D1C

analogous

#1C6361 #1C4263 #1C1F63

triadic

#1C4263 #631C42 #42631C

tetradic

#1C4263 #611C63 #633D1C #1F631C

square

#1C4263 #611C63 #633D1C #1F631C

split-complementary

#1C4263 #631C1F #63611C

monochromatic

#071018 #0F2233 #1C4263 #296293 #3782C2

Accessibility & contrast

On white

10.45

#1C4263 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#1C4263 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4263

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4263	#FFFFFF	#000000	##FFFFFF
##1C4263	1.00	10.45	2.01	10.45
#FFFFFF	10.45	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#334364

Deuteranopia (green-blind)

#2A3C62

Tritanopia (blue-blind)

#004A4E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1c4263;
/* rgb */ color: rgb(28, 66, 99);
/* oklch */ color: oklch(36.8% 0.072 247.4);

Tailwind

colors: {
  custom: {
    50: '#61768f',
    500: '#1c4263',
    950: '#000000',
  },
}

SCSS

$custom: #1c4263;
$custom-light: #61768f;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4263",
  "rgb": {
    "r": 28,
    "g": 66,
    "b": 99
  },
  "hsl": {
    "h": 207.887,
    "s": 55.906,
    "l": 24.902
  },
  "oklch": {
    "l": 0.36837,
    "c": 0.07163,
    "h": 247.4
  },
  "luminance": 0.05044
}

Semantic roles & 50–950 ramp

primary

#1C4263

secondary

#986A43

accent

#8F49DF

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05080C

muted

#7A7B7D

Preview Lab

Preview with #1C4263

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

Preview Lab → · Contrast checker → · Palette generator →