#1C5289#1C5289

#1C5289 is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 43.3% C 0.107 H 252.1°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#1C5289
RGB	rgb(28, 82, 137)
HSL	hsl(210, 66%, 32%)
HSV	hsv(210, 80%, 54%)
CMYK	cmyk(79.6%, 40.1%, 0%, 46.3%)
CIE-LAB	lab(34.16, 2.99, -35.65)
CIE-LCH	lch(34.16, 35.78, 274.80°)
OKLab	oklab(43.27% -0.0329 -0.1018)
OKLCH	oklch(43.27% 0.107 252.1)
XYZ	xyz(8.0098, 8.0867, 24.8008)
Luminance	0.0809 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5289 #89531C

analogous

#1C8989 #1C5289 #1C1C89

triadic

#1C5289 #891C52 #52891C

tetradic

#1C5289 #891C89 #89531C #1C891C

square

#1C5289 #891C89 #89531C #1C891C

split-complementary

#1C5289 #891C1C #89891C

monochromatic

#071523 #123456 #1C5289 #2670BC #468FD9

Accessibility & contrast

On white

8.02

#1C5289 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#1C5289 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5289

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5289	#FFFFFF	#000000	##FFFFFF
##1C5289	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38568B

Deuteranopia (green-blind)

#274C88

Tritanopia (blue-blind)

#005F67

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1c5289;
/* rgb */ color: rgb(28, 82, 137);
/* oklch */ color: oklch(43.3% 0.107 252.1);

Tailwind

colors: {
  custom: {
    50: '#6a82ac',
    500: '#1c5289',
    950: '#000000',
  },
}

SCSS

$custom: #1c5289;
$custom-light: #6a82ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5289",
  "rgb": {
    "r": 28,
    "g": 82,
    "b": 137
  },
  "hsl": {
    "h": 210.275,
    "s": 66.061,
    "l": 32.353
  },
  "oklch": {
    "l": 0.43273,
    "c": 0.10696,
    "h": 252.1
  },
  "luminance": 0.08088
}

Semantic roles & 50–950 ramp

primary

#1C5289

secondary

#BB8146

accent

#953FE9

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1C5289

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

Preview Lab → · Contrast checker → · Palette generator →