#1C4471#1C4471

#1C4471 is a dark, moderate cyan. Relative luminance 0.056; OKLCH L 38.2% C 0.089 H 253.4°. Best body text is #FFFFFF at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#1C4471
RGB	rgb(28, 68, 113)
HSL	hsl(212, 60%, 28%)
HSV	hsv(212, 75%, 44%)
CMYK	cmyk(75.2%, 39.8%, 0%, 55.7%)
CIE-LAB	lab(28.31, 2.71, -30.03)
CIE-LCH	lch(28.31, 30.15, 275.16°)
OKLab	oklab(38.23% -0.0255 -0.0855)
OKLCH	oklch(38.23% 0.089 253.4)
XYZ	xyz(5.5255, 5.5728, 16.4040)
Luminance	0.0557 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4471 #71491C

analogous

#1C6E71 #1C4471 #1F1C71

triadic

#1C4471 #711C44 #44711C

tetradic

#1C4471 #711C6E #71491C #1C711F

square

#1C4471 #711C6E #71491C #1C711F

split-complementary

#1C4471 #711F1C #6E711C

monochromatic

#060F19 #102640 #1C4471 #2862A2 #397FCE

Accessibility & contrast

On white

9.93

#1C4471 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#1C4471 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4471

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4471	#FFFFFF	#000000	##FFFFFF
##1C4471	1.00	9.93	2.11	9.93
#FFFFFF	9.93	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4773

Deuteranopia (green-blind)

#223F70

Tritanopia (blue-blind)

#004F55

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1c4471;
/* rgb */ color: rgb(28, 68, 113);
/* oklch */ color: oklch(38.2% 0.089 253.4);

Tailwind

colors: {
  custom: {
    50: '#64779a',
    500: '#1c4471',
    950: '#000000',
  },
}

SCSS

$custom: #1c4471;
$custom-light: #64779a;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4471",
  "rgb": {
    "r": 28,
    "g": 68,
    "b": 113
  },
  "hsl": {
    "h": 211.765,
    "s": 60.284,
    "l": 27.647
  },
  "oklch": {
    "l": 0.38234,
    "c": 0.08923,
    "h": 253.4
  },
  "luminance": 0.05573
}

Semantic roles & 50–950 ramp

primary

#1C4471

secondary

#A67743

accent

#9944E3

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1C4471

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

Preview Lab → · Contrast checker → · Palette generator →