#1C3E65#1C3E65

#1C3E65 is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.9% C 0.079 H 253.5°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#1C3E65
RGB	rgb(28, 62, 101)
HSL	hsl(212, 57%, 25%)
HSV	hsv(212, 72%, 40%)
CMYK	cmyk(72.3%, 38.6%, 0%, 60.4%)
CIE-LAB	lab(25.66, 1.99, -26.57)
CIE-LCH	lch(25.66, 26.64, 274.28°)
OKLab	oklab(35.93% -0.0223 -0.0755)
OKLCH	oklch(35.93% 0.079 253.5)
XYZ	xyz(4.5496, 4.6312, 12.9635)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3E65 #65431C

analogous

#1C6265 #1C3E65 #1F1C65

triadic

#1C3E65 #651C3E #3E651C

tetradic

#1C3E65 #651C62 #65431C #1C651F

square

#1C3E65 #651C62 #65431C #1C651F

split-complementary

#1C3E65 #651F1C #62651C

monochromatic

#070F18 #0F2135 #1C3E65 #295B95 #3779C5

Accessibility & contrast

On white

10.90

#1C3E65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#1C3E65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3E65

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3E65	#FFFFFF	#000000	##FFFFFF
##1C3E65	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4167

Deuteranopia (green-blind)

#223A64

Tritanopia (blue-blind)

#00474C

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1c3e65;
/* rgb */ color: rgb(28, 62, 101);
/* oklch */ color: oklch(35.9% 0.079 253.5);

Tailwind

colors: {
  custom: {
    50: '#627291',
    500: '#1c3e65',
    950: '#000000',
  },
}

SCSS

$custom: #1c3e65;
$custom-light: #627291;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3e65",
  "rgb": {
    "r": 28,
    "g": 62,
    "b": 101
  },
  "hsl": {
    "h": 212.055,
    "s": 56.589,
    "l": 25.294
  },
  "oklch": {
    "l": 0.35932,
    "c": 0.07873,
    "h": 253.5
  },
  "luminance": 0.04632
}

Semantic roles & 50–950 ramp

primary

#1C3E65

secondary

#9A7143

accent

#9948E0

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#05080C

muted

#7A7B7D

Preview Lab

Preview with #1C3E65

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

Preview Lab → · Contrast checker → · Palette generator →