#1C5598#1C5598

#1C5598 is a mid, vivid cyan. Relative luminance 0.090; OKLCH L 45.0% C 0.124 H 255.0°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#1C5598
RGB	rgb(28, 85, 152)
HSL	hsl(212, 69%, 35%)
HSV	hsv(212, 82%, 60%)
CMYK	cmyk(81.6%, 44.1%, 0%, 40.4%)
CIE-LAB	lab(36.00, 7.01, -41.83)
CIE-LCH	lch(36.00, 42.42, 279.52°)
OKLab	oklab(45% -0.0321 -0.1199)
OKLCH	oklch(45% 0.124 255)
XYZ	xyz(9.3928, 9.0097, 30.9437)
Luminance	0.0901 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5598 #985F1C

analogous

#1C9398 #1C5598 #211C98

triadic

#1C5598 #981C55 #55981C

tetradic

#1C5598 #981C93 #985F1C #1C9821

square

#1C5598 #981C93 #985F1C #1C9821

split-complementary

#1C5598 #98211C #93981C

monochromatic

#091B31 #123864 #1C5598 #2672CC #5091DF

Accessibility & contrast

On white

7.49

#1C5598 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#1C5598 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5598

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5598	#FFFFFF	#000000	##FFFFFF
##1C5598	1.00	7.49	2.80	7.49
#FFFFFF	7.49	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#335B9B

Deuteranopia (green-blind)

#1B5097

Tritanopia (blue-blind)

#00656F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #1c5598;
/* rgb */ color: rgb(28, 85, 152);
/* oklch */ color: oklch(45.0% 0.124 255.0);

Tailwind

colors: {
  custom: {
    50: '#6d84b7',
    500: '#1c5598',
    950: '#000000',
  },
}

SCSS

$custom: #1c5598;
$custom-light: #6d84b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5598",
  "rgb": {
    "r": 28,
    "g": 85,
    "b": 152
  },
  "hsl": {
    "h": 212.419,
    "s": 68.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.45003,
    "c": 0.12407,
    "h": 255
  },
  "luminance": 0.09011
}

Semantic roles & 50–950 ramp

primary

#1C5598

secondary

#C18D4E

accent

#9B3CEC

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1C5598

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

Preview Lab → · Contrast checker → · Palette generator →