#1C4F90#1C4F90

#1C4F90 is a dark, vivid cyan. Relative luminance 0.079; OKLCH L 43.0% C 0.120 H 256.2°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#1C4F90
RGB	rgb(28, 79, 144)
HSL	hsl(214, 67%, 34%)
HSV	hsv(214, 81%, 56%)
CMYK	cmyk(80.6%, 45.1%, 0%, 43.5%)
CIE-LAB	lab(33.67, 7.79, -40.72)
CIE-LCH	lch(33.67, 41.45, 280.83°)
OKLab	oklab(43.03% -0.0286 -0.1167)
OKLCH	oklch(43.03% 0.12 256.2)
XYZ	xyz(8.3070, 7.8515, 27.4578)
Luminance	0.0785 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4F90 #905D1C

analogous

#1C8990 #1C4F90 #231C90

triadic

#1C4F90 #901C4F #4F901C

tetradic

#1C4F90 #901C89 #905D1C #1C9023

square

#1C4F90 #901C89 #905D1C #1C9023

split-complementary

#1C4F90 #90231C #89901C

monochromatic

#08172A #12335D #1C4F90 #266BC3 #4A8ADC

Accessibility & contrast

On white

8.17

#1C4F90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#1C4F90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4F90

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4F90	#FFFFFF	#000000	##FFFFFF
##1C4F90	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E5592

Deuteranopia (green-blind)

#164A8F

Tritanopia (blue-blind)

#005E68

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1c4f90;
/* rgb */ color: rgb(28, 79, 144);
/* oklch */ color: oklch(43.0% 0.120 256.2);

Tailwind

colors: {
  custom: {
    50: '#6b7fb1',
    500: '#1c4f90',
    950: '#000000',
  },
}

SCSS

$custom: #1c4f90;
$custom-light: #6b7fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4f90",
  "rgb": {
    "r": 28,
    "g": 79,
    "b": 144
  },
  "hsl": {
    "h": 213.621,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.43031,
    "c": 0.12015,
    "h": 256.2
  },
  "luminance": 0.07852
}

Semantic roles & 50–950 ramp

primary

#1C4F90

secondary

#BE8B4A

accent

#9E3DEA

background

#F6F7FA

surface

#ECEEF5

border

#C7C9CF

text

#080A11

muted

#7A7C80

Preview Lab

Preview with #1C4F90

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

Preview Lab → · Contrast checker → · Palette generator →