#1C5A99#1C5A99

#1C5A99 is a mid, moderate cyan. Relative luminance 0.099; OKLCH L 46.3% C 0.120 H 252.4°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#1C5A99
RGB	rgb(28, 90, 153)
HSL	hsl(210, 69%, 35%)
HSV	hsv(210, 82%, 60%)
CMYK	cmyk(81.7%, 41.2%, 0%, 40%)
CIE-LAB	lab(37.59, 4.14, -39.90)
CIE-LCH	lch(37.59, 40.12, 275.93°)
OKLab	oklab(46.26% -0.0362 -0.1141)
OKLCH	oklch(46.26% 0.12 252.4)
XYZ	xyz(9.8827, 9.8579, 31.5127)
Luminance	0.0986 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5A99 #995B1C

analogous

#1C9899 #1C5A99 #1C1C99

triadic

#1C5A99 #991C5A #5A991C

tetradic

#1C5A99 #991C98 #995B1C #1C991C

square

#1C5A99 #991C98 #995B1C #1C991C

split-complementary

#1C5A99 #991C1C #98991C

monochromatic

#091D32 #133C65 #1C5A99 #2578CD #5097DF

Accessibility & contrast

On white

7.07

#1C5A99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#1C5A99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5A99

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5A99	#FFFFFF	#000000	##FFFFFF
##1C5A99	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B5F9C

Deuteranopia (green-blind)

#265398

Tritanopia (blue-blind)

#006972

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1c5a99;
/* rgb */ color: rgb(28, 90, 153);
/* oklch */ color: oklch(46.3% 0.120 252.4);

Tailwind

colors: {
  custom: {
    50: '#6d88b7',
    500: '#1c5a99',
    950: '#000000',
  },
}

SCSS

$custom: #1c5a99;
$custom-light: #6d88b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5a99",
  "rgb": {
    "r": 28,
    "g": 90,
    "b": 153
  },
  "hsl": {
    "h": 210.24,
    "s": 69.061,
    "l": 35.49
  },
  "oklch": {
    "l": 0.46256,
    "c": 0.11969,
    "h": 252.4
  },
  "luminance": 0.09859
}

Semantic roles & 50–950 ramp

primary

#1C5A99

secondary

#C2894F

accent

#953CEC

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1C5A99

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

Preview Lab → · Contrast checker → · Palette generator →