#1C4983#1C4983

#1C4983 is a dark, moderate cyan. Relative luminance 0.067; OKLCH L 40.7% C 0.109 H 256.2°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#1C4983
RGB	rgb(28, 73, 131)
HSL	hsl(214, 65%, 31%)
HSV	hsv(214, 79%, 51%)
CMYK	cmyk(78.6%, 44.3%, 0%, 48.6%)
CIE-LAB	lab(31.00, 6.58, -37.01)
CIE-LCH	lch(31.00, 37.59, 280.08°)
OKLab	oklab(40.69% -0.026 -0.1059)
OKLCH	oklch(40.69% 0.109 256.2)
XYZ	xyz(6.9567, 6.6499, 22.3852)
Luminance	0.0665 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4983 #83561C

analogous

#1C7C83 #1C4983 #221C83

triadic

#1C4983 #831C49 #49831C

tetradic

#1C4983 #831C7C #83561C #1C8322

square

#1C4983 #831C7C #83561C #1C8322

split-complementary

#1C4983 #83221C #7C831C

monochromatic

#06111E #112D51 #1C4983 #2765B5 #4383D7

Accessibility & contrast

On white

9.01

#1C4983 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#1C4983 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4983

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4983	#FFFFFF	#000000	##FFFFFF
##1C4983	1.00	9.01	2.33	9.01
#FFFFFF	9.01	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C4E85

Deuteranopia (green-blind)

#194582

Tritanopia (blue-blind)

#00575F

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1c4983;
/* rgb */ color: rgb(28, 73, 131);
/* oklch */ color: oklch(40.7% 0.109 256.2);

Tailwind

colors: {
  custom: {
    50: '#687ba7',
    500: '#1c4983',
    950: '#000000',
  },
}

SCSS

$custom: #1c4983;
$custom-light: #687ba7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4983",
  "rgb": {
    "r": 28,
    "g": 73,
    "b": 131
  },
  "hsl": {
    "h": 213.786,
    "s": 64.78,
    "l": 31.176
  },
  "oklch": {
    "l": 0.40687,
    "c": 0.10907,
    "h": 256.2
  },
  "luminance": 0.06651
}

Semantic roles & 50–950 ramp

primary

#1C4983

secondary

#B68545

accent

#9E40E8

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1C4983

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

Preview Lab → · Contrast checker → · Palette generator →