#1C5499#1C5499

#1C5499 is a dark, vivid cyan. Relative luminance 0.089; OKLCH L 44.8% C 0.127 H 255.8°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#1C5499
RGB	rgb(28, 84, 153)
HSL	hsl(213, 69%, 35%)
HSV	hsv(213, 82%, 60%)
CMYK	cmyk(81.7%, 45.1%, 0%, 40%)
CIE-LAB	lab(35.76, 8.08, -42.82)
CIE-LCH	lch(35.76, 43.57, 280.68°)
OKLab	oklab(44.84% -0.031 -0.1228)
OKLCH	oklch(44.84% 0.127 255.8)
XYZ	xyz(9.3968, 8.8863, 31.3508)
Luminance	0.0889 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5499 #99611C

analogous

#1C9299 #1C5499 #221C99

triadic

#1C5499 #991C54 #54991C

tetradic

#1C5499 #991C92 #99611C #1C9922

square

#1C5499 #991C92 #99611C #1C9922

split-complementary

#1C5499 #99221C #92991C

monochromatic

#091B32 #133865 #1C5499 #2570CD #5090DF

Accessibility & contrast

On white

7.56

#1C5499 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#1C5499 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5499

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5499	#FFFFFF	#000000	##FFFFFF
##1C5499	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#305A9C

Deuteranopia (green-blind)

#164F98

Tritanopia (blue-blind)

#00646F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1c5499;
/* rgb */ color: rgb(28, 84, 153);
/* oklch */ color: oklch(44.8% 0.127 255.8);

Tailwind

colors: {
  custom: {
    50: '#6d83b7',
    500: '#1c5499',
    950: '#000000',
  },
}

SCSS

$custom: #1c5499;
$custom-light: #6d83b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5499",
  "rgb": {
    "r": 28,
    "g": 84,
    "b": 153
  },
  "hsl": {
    "h": 213.12,
    "s": 69.061,
    "l": 35.49
  },
  "oklch": {
    "l": 0.44839,
    "c": 0.12663,
    "h": 255.8
  },
  "luminance": 0.08887
}

Semantic roles & 50–950 ramp

primary

#1C5499

secondary

#C28E4F

accent

#9D3CEC

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1C5499

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

Preview Lab → · Contrast checker → · Palette generator →