#1C4E90#1C4E90

#1C4E90 is a dark, vivid cyan. Relative luminance 0.077; OKLCH L 42.8% C 0.121 H 256.8°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#1C4E90
RGB	rgb(28, 78, 144)
HSL	hsl(214, 67%, 34%)
HSV	hsv(214, 81%, 56%)
CMYK	cmyk(80.6%, 45.8%, 0%, 43.5%)
CIE-LAB	lab(33.37, 8.46, -41.20)
CIE-LCH	lch(33.37, 42.06, 281.60°)
OKLab	oklab(42.8% -0.0277 -0.1181)
OKLCH	oklch(42.8% 0.121 256.8)
XYZ	xyz(8.2355, 7.7083, 27.4340)
Luminance	0.0771 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4E90 #905E1C

analogous

#1C8890 #1C4E90 #241C90

triadic

#1C4E90 #901C4E #4E901C

tetradic

#1C4E90 #901C88 #905E1C #1C9024

square

#1C4E90 #901C88 #905E1C #1C9024

split-complementary

#1C4E90 #90241C #88901C

monochromatic

#08162A #12325D #1C4E90 #266AC3 #4A89DC

Accessibility & contrast

On white

8.26

#1C4E90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#1C4E90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4E90

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4E90	#FFFFFF	#000000	##FFFFFF
##1C4E90	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C5493

Deuteranopia (green-blind)

#124A8F

Tritanopia (blue-blind)

#005E68

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1c4e90;
/* rgb */ color: rgb(28, 78, 144);
/* oklch */ color: oklch(42.8% 0.121 256.8);

Tailwind

colors: {
  custom: {
    50: '#6b7fb1',
    500: '#1c4e90',
    950: '#000000',
  },
}

SCSS

$custom: #1c4e90;
$custom-light: #6b7fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4e90",
  "rgb": {
    "r": 28,
    "g": 78,
    "b": 144
  },
  "hsl": {
    "h": 214.138,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.42796,
    "c": 0.12135,
    "h": 256.8
  },
  "luminance": 0.07709
}

Semantic roles & 50–950 ramp

primary

#1C4E90

secondary

#BE8C4A

accent

#A03DEA

background

#F6F7FA

surface

#ECEEF5

border

#C7C9CF

text

#080A11

muted

#7A7C80

Preview Lab

Preview with #1C4E90

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

Preview Lab → · Contrast checker → · Palette generator →