#1C4E89#1C4E89

#1C4E89 is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.3% C 0.112 H 254.8°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#1C4E89
RGB	rgb(28, 78, 137)
HSL	hsl(212, 66%, 32%)
HSV	hsv(212, 80%, 54%)
CMYK	cmyk(79.6%, 43.1%, 0%, 46.3%)
CIE-LAB	lab(32.92, 5.64, -37.63)
CIE-LCH	lch(32.92, 38.06, 278.52°)
OKLab	oklab(42.31% -0.0292 -0.1077)
OKLCH	oklch(42.31% 0.112 254.8)
XYZ	xyz(7.7170, 7.5009, 24.7032)
Luminance	0.0750 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4E89 #89571C

analogous

#1C8589 #1C4E89 #201C89

triadic

#1C4E89 #891C4E #4E891C

tetradic

#1C4E89 #891C85 #89571C #1C8920

square

#1C4E89 #891C85 #89571C #1C8920

split-complementary

#1C4E89 #89201C #85891C

monochromatic

#071423 #123156 #1C4E89 #266BBC #468AD9

Accessibility & contrast

On white

8.40

#1C4E89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#1C4E89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4E89

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4E89	#FFFFFF	#000000	##FFFFFF
##1C4E89	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31538B

Deuteranopia (green-blind)

#1E4988

Tritanopia (blue-blind)

#005C64

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1c4e89;
/* rgb */ color: rgb(28, 78, 137);
/* oklch */ color: oklch(42.3% 0.112 254.8);

Tailwind

colors: {
  custom: {
    50: '#6a7fac',
    500: '#1c4e89',
    950: '#000000',
  },
}

SCSS

$custom: #1c4e89;
$custom-light: #6a7fac;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4e89",
  "rgb": {
    "r": 28,
    "g": 78,
    "b": 137
  },
  "hsl": {
    "h": 212.477,
    "s": 66.061,
    "l": 32.353
  },
  "oklch": {
    "l": 0.42305,
    "c": 0.11155,
    "h": 254.8
  },
  "luminance": 0.07502
}

Semantic roles & 50–950 ramp

primary

#1C4E89

secondary

#BB8546

accent

#9B3FE9

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1C4E89

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

Preview Lab → · Contrast checker → · Palette generator →