#1C5982#1C5982

#1C5982 is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.6% C 0.091 H 242.6°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#1C5982
RGB	rgb(28, 89, 130)
HSL	hsl(204, 65%, 31%)
HSV	hsv(204, 78%, 51%)
CMYK	cmyk(78.5%, 31.5%, 0%, 49%)
CIE-LAB	lab(35.99, -4.25, -28.48)
CIE-LCH	lch(35.99, 28.79, 261.51°)
OKLab	oklab(44.58% -0.0418 -0.0807)
OKLCH	oklch(44.58% 0.091 242.6)
XYZ	xyz(8.0790, 9.0024, 22.4266)
Luminance	0.0900 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5982 #82451C

analogous

#1C8278 #1C5982 #1C2682

triadic

#1C5982 #821C59 #59821C

tetradic

#1C5982 #781C82 #82451C #26821C

square

#1C5982 #781C82 #82451C #26821C

split-complementary

#1C5982 #821C26 #82781C

monochromatic

#06141D #113750 #1C5982 #277BB4 #429BD6

Accessibility & contrast

On white

7.50

#1C5982 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#1C5982 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5982

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5982	#FFFFFF	#000000	##FFFFFF
##1C5982	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#465A84

Deuteranopia (green-blind)

#385081

Tritanopia (blue-blind)

#006367

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #1c5982;
/* rgb */ color: rgb(28, 89, 130);
/* oklch */ color: oklch(44.6% 0.091 242.6);

Tailwind

colors: {
  custom: {
    50: '#6887a6',
    500: '#1c5982',
    950: '#000000',
  },
}

SCSS

$custom: #1c5982;
$custom-light: #6887a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5982",
  "rgb": {
    "r": 28,
    "g": 89,
    "b": 130
  },
  "hsl": {
    "h": 204.118,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.44582,
    "c": 0.09087,
    "h": 242.6
  },
  "luminance": 0.09003
}

Semantic roles & 50–950 ramp

primary

#1C5982

secondary

#B57244

accent

#8340E8

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1C5982

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

Preview Lab → · Contrast checker → · Palette generator →