#1C4871#1C4871

#1C4871 is a dark, moderate cyan. Relative luminance 0.061; OKLCH L 39.2% C 0.085 H 249.5°. Best body text is #FFFFFF at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#1C4871
RGB	rgb(28, 72, 113)
HSL	hsl(209, 60%, 28%)
HSV	hsv(209, 75%, 44%)
CMYK	cmyk(75.2%, 36.3%, 0%, 55.7%)
CIE-LAB	lab(29.60, 0.04, -27.99)
CIE-LCH	lch(29.60, 27.99, 270.08°)
OKLab	oklab(39.24% -0.0297 -0.0795)
OKLCH	oklch(39.24% 0.085 249.5)
XYZ	xyz(5.7758, 6.0732, 16.4874)
Luminance	0.0607 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4871 #71451C

analogous

#1C716F #1C4871 #1C1D71

triadic

#1C4871 #711C48 #48711C

tetradic

#1C4871 #6F1C71 #71451C #1D711C

square

#1C4871 #6F1C71 #71451C #1D711C

split-complementary

#1C4871 #711C1D #716F1C

monochromatic

#061019 #102940 #1C4871 #2867A2 #3986CE

Accessibility & contrast

On white

9.48

#1C4871 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#1C4871 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4871

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4871	#FFFFFF	#000000	##FFFFFF
##1C4871	1.00	9.48	2.21	9.48
#FFFFFF	9.48	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#354A73

Deuteranopia (green-blind)

#294270

Tritanopia (blue-blind)

#005257

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1c4871;
/* rgb */ color: rgb(28, 72, 113);
/* oklch */ color: oklch(39.2% 0.085 249.5);

Tailwind

colors: {
  custom: {
    50: '#647a9a',
    500: '#1c4871',
    950: '#000000',
  },
}

SCSS

$custom: #1c4871;
$custom-light: #647a9a;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4871",
  "rgb": {
    "r": 28,
    "g": 72,
    "b": 113
  },
  "hsl": {
    "h": 208.941,
    "s": 60.284,
    "l": 27.647
  },
  "oklch": {
    "l": 0.39243,
    "c": 0.08484,
    "h": 249.5
  },
  "luminance": 0.06074
}

Semantic roles & 50–950 ramp

primary

#1C4871

secondary

#A67343

accent

#9144E3

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1C4871

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

Preview Lab → · Contrast checker → · Palette generator →