#1C5398#1C5398

#1C5398 is a dark, vivid cyan. Relative luminance 0.087; OKLCH L 44.5% C 0.126 H 256.1°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#1C5398
RGB	rgb(28, 83, 152)
HSL	hsl(213, 69%, 35%)
HSV	hsv(213, 82%, 60%)
CMYK	cmyk(81.6%, 45.4%, 0%, 40.4%)
CIE-LAB	lab(35.40, 8.34, -42.80)
CIE-LCH	lch(35.40, 43.60, 281.02°)
OKLab	oklab(44.54% -0.0304 -0.1227)
OKLCH	oklch(44.54% 0.126 256.1)
XYZ	xyz(9.2375, 8.6993, 30.8919)
Luminance	0.0870 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5398 #98611C

analogous

#1C9198 #1C5398 #231C98

triadic

#1C5398 #981C53 #53981C

tetradic

#1C5398 #981C91 #98611C #1C9823

square

#1C5398 #981C91 #98611C #1C9823

split-complementary

#1C5398 #98231C #91981C

monochromatic

#091B31 #123764 #1C5398 #266FCC #508FDF

Accessibility & contrast

On white

7.66

#1C5398 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#1C5398 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5398

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5398	#FFFFFF	#000000	##FFFFFF
##1C5398	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F599B

Deuteranopia (green-blind)

#144E97

Tritanopia (blue-blind)

#00636E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1c5398;
/* rgb */ color: rgb(28, 83, 152);
/* oklch */ color: oklch(44.5% 0.126 256.1);

Tailwind

colors: {
  custom: {
    50: '#6d82b7',
    500: '#1c5398',
    950: '#000000',
  },
}

SCSS

$custom: #1c5398;
$custom-light: #6d82b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5398",
  "rgb": {
    "r": 28,
    "g": 83,
    "b": 152
  },
  "hsl": {
    "h": 213.387,
    "s": 68.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.44535,
    "c": 0.12645,
    "h": 256.1
  },
  "luminance": 0.087
}

Semantic roles & 50–950 ramp

primary

#1C5398

secondary

#C18E4E

accent

#9E3CEC

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1C5398

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

Preview Lab → · Contrast checker → · Palette generator →