#1C4A71#1C4A71

#1C4A71 is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 39.8% C 0.083 H 247.4°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#1C4A71
RGB	rgb(28, 74, 113)
HSL	hsl(208, 60%, 28%)
HSV	hsv(208, 75%, 44%)
CMYK	cmyk(75.2%, 34.5%, 0%, 55.7%)
CIE-LAB	lab(30.24, -1.28, -26.96)
CIE-LCH	lch(30.24, 26.99, 267.29°)
OKLab	oklab(39.75% -0.0318 -0.0765)
OKLCH	oklch(39.75% 0.083 247.4)
XYZ	xyz(5.9072, 6.3360, 16.5312)
Luminance	0.0634 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4A71 #71431C

analogous

#1C716D #1C4A71 #1C2071

triadic

#1C4A71 #711C4A #4A711C

tetradic

#1C4A71 #6D1C71 #71431C #20711C

square

#1C4A71 #6D1C71 #71431C #20711C

split-complementary

#1C4A71 #711C20 #716D1C

monochromatic

#061019 #102A40 #1C4A71 #286AA2 #398ACE

Accessibility & contrast

On white

9.26

#1C4A71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#1C4A71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4A71

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4A71	#FFFFFF	#000000	##FFFFFF
##1C4A71	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#384C73

Deuteranopia (green-blind)

#2C4470

Tritanopia (blue-blind)

#005358

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1c4a71;
/* rgb */ color: rgb(28, 74, 113);
/* oklch */ color: oklch(39.8% 0.083 247.4);

Tailwind

colors: {
  custom: {
    50: '#647c9a',
    500: '#1c4a71',
    950: '#000000',
  },
}

SCSS

$custom: #1c4a71;
$custom-light: #647c9a;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4a71",
  "rgb": {
    "r": 28,
    "g": 74,
    "b": 113
  },
  "hsl": {
    "h": 207.529,
    "s": 60.284,
    "l": 27.647
  },
  "oklch": {
    "l": 0.39753,
    "c": 0.08281,
    "h": 247.4
  },
  "luminance": 0.06337
}

Semantic roles & 50–950 ramp

primary

#1C4A71

secondary

#A67043

accent

#8D44E3

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1C4A71

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

Preview Lab → · Contrast checker → · Palette generator →