#1C4B8A#1C4B8A

#1C4B8A is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.7% C 0.117 H 257.0°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#1C4B8A
RGB	rgb(28, 75, 138)
HSL	hsl(214, 66%, 33%)
HSV	hsv(214, 80%, 54%)
CMYK	cmyk(79.7%, 45.7%, 0%, 45.9%)
CIE-LAB	lab(32.06, 8.06, -39.62)
CIE-LCH	lch(32.06, 40.43, 281.49°)
OKLab	oklab(41.66% -0.0263 -0.1136)
OKLCH	oklch(41.66% 0.117 257)
XYZ	xyz(7.5807, 7.1131, 25.0133)
Luminance	0.0711 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4B8A #8A5B1C

analogous

#1C828A #1C4B8A #241C8A

triadic

#1C4B8A #8A1C4B #4B8A1C

tetradic

#1C4B8A #8A1C82 #8A5B1C #1C8A24

square

#1C4B8A #8A1C82 #8A5B1C #1C8A24

split-complementary

#1C4B8A #8A241C #828A1C

monochromatic

#071424 #122F57 #1C4B8A #2667BD #4786DA

Accessibility & contrast

On white

8.67

#1C4B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#1C4B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4B8A

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4B8A	#FFFFFF	#000000	##FFFFFF
##1C4B8A	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B518C

Deuteranopia (green-blind)

#144789

Tritanopia (blue-blind)

#005A63

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1c4b8a;
/* rgb */ color: rgb(28, 75, 138);
/* oklch */ color: oklch(41.7% 0.117 257.0);

Tailwind

colors: {
  custom: {
    50: '#6a7cac',
    500: '#1c4b8a',
    950: '#000000',
  },
}

SCSS

$custom: #1c4b8a;
$custom-light: #6a7cac;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4b8a",
  "rgb": {
    "r": 28,
    "g": 75,
    "b": 138
  },
  "hsl": {
    "h": 214.364,
    "s": 66.265,
    "l": 32.549
  },
  "oklch": {
    "l": 0.4166,
    "c": 0.11657,
    "h": 257
  },
  "luminance": 0.07114
}

Semantic roles & 50–950 ramp

primary

#1C4B8A

secondary

#BB8946

accent

#A03FE9

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #1C4B8A

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

Preview Lab → · Contrast checker → · Palette generator →