#1C4C8B#1C4C8B

#1C4C8B is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 42.0% C 0.117 H 256.6°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#1C4C8B
RGB	rgb(28, 76, 139)
HSL	hsl(214, 66%, 33%)
HSV	hsv(214, 80%, 55%)
CMYK	cmyk(79.9%, 45.3%, 0%, 45.5%)
CIE-LAB	lab(32.43, 7.79, -39.64)
CIE-LCH	lch(32.43, 40.40, 281.11°)
OKLab	oklab(41.97% -0.027 -0.1136)
OKLCH	oklch(41.97% 0.117 256.6)
XYZ	xyz(7.7218, 7.2789, 25.4191)
Luminance	0.0728 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4C8B #8B5B1C

analogous

#1C838B #1C4C8B #231C8B

triadic

#1C4C8B #8B1C4C #4C8B1C

tetradic

#1C4C8B #8B1C83 #8B5B1C #1C8B23

square

#1C4C8B #8B1C83 #8B5B1C #1C8B23

split-complementary

#1C4C8B #8B231C #838B1C

monochromatic

#071425 #123058 #1C4C8B #2668BE #4787DA

Accessibility & contrast

On white

8.55

#1C4C8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#1C4C8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4C8B

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4C8B	#FFFFFF	#000000	##FFFFFF
##1C4C8B	1.00	8.55	2.46	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C528D

Deuteranopia (green-blind)

#15488A

Tritanopia (blue-blind)

#005B64

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1c4c8b;
/* rgb */ color: rgb(28, 76, 139);
/* oklch */ color: oklch(42.0% 0.117 256.6);

Tailwind

colors: {
  custom: {
    50: '#6a7dad',
    500: '#1c4c8b',
    950: '#000000',
  },
}

SCSS

$custom: #1c4c8b;
$custom-light: #6a7dad;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4c8b",
  "rgb": {
    "r": 28,
    "g": 76,
    "b": 139
  },
  "hsl": {
    "h": 214.054,
    "s": 66.467,
    "l": 32.745
  },
  "oklch": {
    "l": 0.41968,
    "c": 0.11677,
    "h": 256.6
  },
  "luminance": 0.0728
}

Semantic roles & 50–950 ramp

primary

#1C4C8B

secondary

#BC8947

accent

#9F3EE9

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #1C4C8B

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

Preview Lab → · Contrast checker → · Palette generator →