#1C3D5D#1C3D5D

#1C3D5D is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.2% C 0.068 H 249.7°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#1C3D5D
RGB	rgb(28, 61, 93)
HSL	hsl(210, 54%, 24%)
HSV	hsv(210, 70%, 36%)
CMYK	cmyk(69.9%, 34.4%, 0%, 63.5%)
CIE-LAB	lab(24.87, -0.49, -22.63)
CIE-LCH	lch(24.87, 22.63, 268.75°)
OKLab	oklab(35.17% -0.0236 -0.064)
OKLCH	oklch(35.17% 0.068 249.7)
XYZ	xyz(4.1227, 4.3743, 10.9809)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3D5D #5D3C1C

analogous

#1C5D5C #1C3D5D #1C1C5D

triadic

#1C3D5D #5D1C3D #3D5D1C

tetradic

#1C3D5D #5C1C5D #5D3C1C #1C5D1C

square

#1C3D5D #5C1C5D #5D3C1C #1C5D1C

split-complementary

#1C3D5D #5D1C1C #5D5C1C

monochromatic

#070F18 #0E1E2E #1C3D5D #2A5C8C #387BBB

Accessibility & contrast

On white

11.20

#1C3D5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#1C3D5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3D5D

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3D5D	#FFFFFF	#000000	##FFFFFF
##1C3D5D	1.00	11.20	1.88	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3E5E

Deuteranopia (green-blind)

#26385C

Tritanopia (blue-blind)

#004548

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1c3d5d;
/* rgb */ color: rgb(28, 61, 93);
/* oklch */ color: oklch(35.2% 0.068 249.7);

Tailwind

colors: {
  custom: {
    50: '#60728b',
    500: '#1c3d5d',
    950: '#000000',
  },
}

SCSS

$custom: #1c3d5d;
$custom-light: #60728b;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3d5d",
  "rgb": {
    "r": 28,
    "g": 61,
    "b": 93
  },
  "hsl": {
    "h": 209.538,
    "s": 53.719,
    "l": 23.725
  },
  "oklch": {
    "l": 0.35167,
    "c": 0.06822,
    "h": 249.7
  },
  "luminance": 0.04375
}

Semantic roles & 50–950 ramp

primary

#1C3D5D

secondary

#926A42

accent

#934BDD

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #1C3D5D

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

Preview Lab → · Contrast checker → · Palette generator →