#1C5299#1C5299

#1C5299 is a dark, vivid cyan. Relative luminance 0.086; OKLCH L 44.4% C 0.129 H 256.9°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#1C5299
RGB	rgb(28, 82, 153)
HSL	hsl(214, 69%, 35%)
HSV	hsv(214, 82%, 60%)
CMYK	cmyk(81.7%, 46.4%, 0%, 40%)
CIE-LAB	lab(35.16, 9.40, -43.78)
CIE-LCH	lch(35.16, 44.78, 282.12°)
OKLab	oklab(44.37% -0.0293 -0.1257)
OKLCH	oklch(44.37% 0.129 256.9)
XYZ	xyz(9.2438, 8.5803, 31.2998)
Luminance	0.0858 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5299 #99631C

analogous

#1C9099 #1C5299 #241C99

triadic

#1C5299 #991C52 #52991C

tetradic

#1C5299 #991C90 #99631C #1C9924

square

#1C5299 #991C90 #99631C #1C9924

split-complementary

#1C5299 #99241C #90991C

monochromatic

#091B32 #133665 #1C5299 #256ECD #508EDF

Accessibility & contrast

On white

7.73

#1C5299 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#1C5299 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5299

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5299	#FFFFFF	#000000	##FFFFFF
##1C5299	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C599C

Deuteranopia (green-blind)

#0E4D98

Tritanopia (blue-blind)

#00636E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1c5299;
/* rgb */ color: rgb(28, 82, 153);
/* oklch */ color: oklch(44.4% 0.129 256.9);

Tailwind

colors: {
  custom: {
    50: '#6d82b7',
    500: '#1c5299',
    950: '#000000',
  },
}

SCSS

$custom: #1c5299;
$custom-light: #6d82b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5299",
  "rgb": {
    "r": 28,
    "g": 82,
    "b": 153
  },
  "hsl": {
    "h": 214.08,
    "s": 69.061,
    "l": 35.49
  },
  "oklch": {
    "l": 0.44374,
    "c": 0.12904,
    "h": 256.9
  },
  "luminance": 0.08581
}

Semantic roles & 50–950 ramp

primary

#1C5299

secondary

#C2904F

accent

#A03CEC

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1C5299

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

Preview Lab → · Contrast checker → · Palette generator →