#1C3E5F#1C3E5F

#1C3E5F is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.6% C 0.070 H 249.8°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#1C3E5F
RGB	rgb(28, 62, 95)
HSL	hsl(210, 54%, 24%)
HSV	hsv(210, 71%, 37%)
CMYK	cmyk(70.5%, 34.7%, 0%, 62.7%)
CIE-LAB	lab(25.31, -0.39, -23.23)
CIE-LCH	lch(25.31, 23.23, 269.05°)
OKLab	oklab(35.55% -0.0242 -0.0657)
OKLCH	oklch(35.55% 0.07 249.8)
XYZ	xyz(4.2663, 4.5179, 11.4715)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3E5F #5F3D1C

analogous

#1C5F5F #1C3E5F #1C1D5F

triadic

#1C3E5F #5F1C3E #3E5F1C

tetradic

#1C3E5F #5F1C5F #5F3D1C #1D5F1C

square

#1C3E5F #5F1C5F #5F3D1C #1D5F1C

split-complementary

#1C3E5F #5F1C1D #5F5F1C

monochromatic

#070F18 #0E1F30 #1C3E5F #2A5D8E #387CBE

Accessibility & contrast

On white

11.03

#1C3E5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#1C3E5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3E5F

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3E5F	#FFFFFF	#000000	##FFFFFF
##1C3E5F	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304060

Deuteranopia (green-blind)

#26395E

Tritanopia (blue-blind)

#00464A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1c3e5f;
/* rgb */ color: rgb(28, 62, 95);
/* oklch */ color: oklch(35.6% 0.070 249.8);

Tailwind

colors: {
  custom: {
    50: '#60738c',
    500: '#1c3e5f',
    950: '#000000',
  },
}

SCSS

$custom: #1c3e5f;
$custom-light: #60738c;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3e5f",
  "rgb": {
    "r": 28,
    "g": 62,
    "b": 95
  },
  "hsl": {
    "h": 209.552,
    "s": 54.472,
    "l": 24.118
  },
  "oklch": {
    "l": 0.35551,
    "c": 0.07005,
    "h": 249.8
  },
  "luminance": 0.04518
}

Semantic roles & 50–950 ramp

primary

#1C3E5F

secondary

#946B42

accent

#934ADE

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #1C3E5F

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

Preview Lab → · Contrast checker → · Palette generator →