#1C4E8C#1C4E8C

#1C4E8C is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.5% C 0.116 H 255.7°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#1C4E8C
RGB	rgb(28, 78, 140)
HSL	hsl(213, 67%, 33%)
HSV	hsv(213, 80%, 55%)
CMYK	cmyk(80%, 44.3%, 0%, 45.1%)
CIE-LAB	lab(33.11, 6.85, -39.17)
CIE-LCH	lch(33.11, 39.77, 279.91°)
OKLab	oklab(42.51% -0.0285 -0.1122)
OKLCH	oklch(42.51% 0.116 255.7)
XYZ	xyz(7.9351, 7.5882, 25.8523)
Luminance	0.0759 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4E8C #8C5A1C

analogous

#1C868C #1C4E8C #221C8C

triadic

#1C4E8C #8C1C4E #4E8C1C

tetradic

#1C4E8C #8C1C86 #8C5A1C #1C8C22

square

#1C4E8C #8C1C86 #8C5A1C #1C8C22

split-complementary

#1C4E8C #8C221C #868C1C

monochromatic

#081526 #123259 #1C4E8C #266ABF #4889DA

Accessibility & contrast

On white

8.34

#1C4E8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#1C4E8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4E8C

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4E8C	#FFFFFF	#000000	##FFFFFF
##1C4E8C	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F538E

Deuteranopia (green-blind)

#1A498B

Tritanopia (blue-blind)

#005D66

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1c4e8c;
/* rgb */ color: rgb(28, 78, 140);
/* oklch */ color: oklch(42.5% 0.116 255.7);

Tailwind

colors: {
  custom: {
    50: '#6a7fae',
    500: '#1c4e8c',
    950: '#000000',
  },
}

SCSS

$custom: #1c4e8c;
$custom-light: #6a7fae;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4e8c",
  "rgb": {
    "r": 28,
    "g": 78,
    "b": 140
  },
  "hsl": {
    "h": 213.214,
    "s": 66.667,
    "l": 32.941
  },
  "oklch": {
    "l": 0.42513,
    "c": 0.11575,
    "h": 255.7
  },
  "luminance": 0.07589
}

Semantic roles & 50–950 ramp

primary

#1C4E8C

secondary

#BC8848

accent

#9D3EEA

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1C4E8C

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

Preview Lab → · Contrast checker → · Palette generator →