#1C5589#1C5589

#1C5589 is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 44.0% C 0.104 H 249.8°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#1C5589
RGB	rgb(28, 85, 137)
HSL	hsl(209, 66%, 32%)
HSV	hsv(209, 80%, 54%)
CMYK	cmyk(79.6%, 38%, 0%, 46.3%)
CIE-LAB	lab(35.10, 1.04, -34.16)
CIE-LCH	lch(35.10, 34.18, 271.74°)
OKLab	oklab(44.01% -0.0357 -0.0974)
OKLCH	oklch(44.01% 0.104 249.8)
XYZ	xyz(8.2410, 8.5490, 24.8779)
Luminance	0.0855 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5589 #89501C

analogous

#1C8987 #1C5589 #1C1E89

triadic

#1C5589 #891C55 #55891C

tetradic

#1C5589 #871C89 #89501C #1E891C

square

#1C5589 #871C89 #89501C #1E891C

split-complementary

#1C5589 #891C1E #89871C

monochromatic

#071623 #123556 #1C5589 #2675BC #4693D9

Accessibility & contrast

On white

7.75

#1C5589 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#1C5589 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5589

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5589	#FFFFFF	#000000	##FFFFFF
##1C5589	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D588B

Deuteranopia (green-blind)

#2C4E88

Tritanopia (blue-blind)

#006168

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1c5589;
/* rgb */ color: rgb(28, 85, 137);
/* oklch */ color: oklch(44.0% 0.104 249.8);

Tailwind

colors: {
  custom: {
    50: '#6a84ac',
    500: '#1c5589',
    950: '#000000',
  },
}

SCSS

$custom: #1c5589;
$custom-light: #6a84ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5589",
  "rgb": {
    "r": 28,
    "g": 85,
    "b": 137
  },
  "hsl": {
    "h": 208.624,
    "s": 66.061,
    "l": 32.353
  },
  "oklch": {
    "l": 0.44007,
    "c": 0.10371,
    "h": 249.8
  },
  "luminance": 0.0855
}

Semantic roles & 50–950 ramp

primary

#1C5589

secondary

#BB7E46

accent

#903FE9

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1C5589

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

Preview Lab → · Contrast checker → · Palette generator →