#1C5A8A#1C5A8A

#1C5A8A is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.3% C 0.100 H 246.2°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#1C5A8A
RGB	rgb(28, 90, 138)
HSL	hsl(206, 66%, 33%)
HSV	hsv(206, 80%, 54%)
CMYK	cmyk(79.7%, 34.8%, 0%, 45.9%)
CIE-LAB	lab(36.73, -1.77, -32.19)
CIE-LCH	lch(36.73, 32.24, 266.85°)
OKLab	oklab(45.31% -0.0403 -0.0915)
OKLCH	oklch(45.31% 0.1 246.2)
XYZ	xyz(8.7207, 9.3931, 25.3933)
Luminance	0.0939 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5A8A #8A4C1C

analogous

#1C8A83 #1C5A8A #1C238A

triadic

#1C5A8A #8A1C5A #5A8A1C

tetradic

#1C5A8A #831C8A #8A4C1C #238A1C

square

#1C5A8A #831C8A #8A4C1C #238A1C

split-complementary

#1C5A8A #8A1C23 #8A831C

monochromatic

#071824 #123957 #1C5A8A #267BBD #479ADA

Accessibility & contrast

On white

7.29

#1C5A8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#1C5A8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5A8A

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5A8A	#FFFFFF	#000000	##FFFFFF
##1C5A8A	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#445C8C

Deuteranopia (green-blind)

#345289

Tritanopia (blue-blind)

#00666B

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1c5a8a;
/* rgb */ color: rgb(28, 90, 138);
/* oklch */ color: oklch(45.3% 0.100 246.2);

Tailwind

colors: {
  custom: {
    50: '#6a88ac',
    500: '#1c5a8a',
    950: '#000000',
  },
}

SCSS

$custom: #1c5a8a;
$custom-light: #6a88ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5a8a",
  "rgb": {
    "r": 28,
    "g": 90,
    "b": 138
  },
  "hsl": {
    "h": 206.182,
    "s": 66.265,
    "l": 32.549
  },
  "oklch": {
    "l": 0.45306,
    "c": 0.09996,
    "h": 246.2
  },
  "luminance": 0.09394
}

Semantic roles & 50–950 ramp

primary

#1C5A8A

secondary

#BB7946

accent

#893FE9

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1C5A8A

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

Preview Lab → · Contrast checker → · Palette generator →