#1C4D71#1C4D71

#1C4D71 is a dark, moderate cyan. Relative luminance 0.067; OKLCH L 40.5% C 0.080 H 244.0°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#1C4D71
RGB	rgb(28, 77, 113)
HSL	hsl(205, 60%, 28%)
HSV	hsv(205, 75%, 44%)
CMYK	cmyk(75.2%, 31.9%, 0%, 55.7%)
CIE-LAB	lab(31.22, -3.22, -25.42)
CIE-LCH	lch(31.22, 25.63, 262.78°)
OKLab	oklab(40.52% -0.035 -0.0719)
OKLCH	oklch(40.52% 0.08 244)
XYZ	xyz(6.1123, 6.7462, 16.5996)
Luminance	0.0675 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4D71 #71401C

analogous

#1C716B #1C4D71 #1C2271

triadic

#1C4D71 #711C4D #4D711C

tetradic

#1C4D71 #6B1C71 #71401C #22711C

square

#1C4D71 #6B1C71 #71401C #22711C

split-complementary

#1C4D71 #711C22 #716B1C

monochromatic

#061119 #102C40 #1C4D71 #286EA2 #398FCE

Accessibility & contrast

On white

8.94

#1C4D71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#1C4D71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4D71

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4D71	#FFFFFF	#000000	##FFFFFF
##1C4D71	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D4E73

Deuteranopia (green-blind)

#314670

Tritanopia (blue-blind)

#00565A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1c4d71;
/* rgb */ color: rgb(28, 77, 113);
/* oklch */ color: oklch(40.5% 0.080 244.0);

Tailwind

colors: {
  custom: {
    50: '#647e9a',
    500: '#1c4d71',
    950: '#000000',
  },
}

SCSS

$custom: #1c4d71;
$custom-light: #647e9a;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4d71",
  "rgb": {
    "r": 28,
    "g": 77,
    "b": 113
  },
  "hsl": {
    "h": 205.412,
    "s": 60.284,
    "l": 27.647
  },
  "oklch": {
    "l": 0.40523,
    "c": 0.08001,
    "h": 244
  },
  "luminance": 0.06747
}

Semantic roles & 50–950 ramp

primary

#1C4D71

secondary

#A66D43

accent

#8844E3

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1C4D71

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

Preview Lab → · Contrast checker → · Palette generator →