#1C425B#1C425B

#1C425B is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.4% C 0.061 H 240.2°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#1C425B
RGB	rgb(28, 66, 91)
HSL	hsl(204, 53%, 23%)
HSV	hsv(204, 69%, 36%)
CMYK	cmyk(69.2%, 27.5%, 0%, 64.3%)
CIE-LAB	lab(26.44, -4.58, -18.87)
CIE-LCH	lch(26.44, 19.41, 256.36°)
OKLab	oklab(36.37% -0.0303 -0.053)
OKLCH	oklch(36.37% 0.061 240.2)
XYZ	xyz(4.3147, 4.8982, 10.6136)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C425B #5B351C

analogous

#1C5B54 #1C425B #1C225B

triadic

#1C425B #5B1C42 #425B1C

tetradic

#1C425B #541C5B #5B351C #225B1C

square

#1C425B #541C5B #5B351C #225B1C

split-complementary

#1C425B #5B1C22 #5B541C

monochromatic

#071117 #0E202C #1C425B #2A648A #3986B9

Accessibility & contrast

On white

10.61

#1C425B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#1C425B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C425B

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C425B	#FFFFFF	#000000	##FFFFFF
##1C425B	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37425C

Deuteranopia (green-blind)

#2E3C5B

Tritanopia (blue-blind)

#00484B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1c425b;
/* rgb */ color: rgb(28, 66, 91);
/* oklch */ color: oklch(36.4% 0.061 240.2);

Tailwind

colors: {
  custom: {
    50: '#607689',
    500: '#1c425b',
    950: '#000000',
  },
}

SCSS

$custom: #1c425b;
$custom-light: #607689;
$custom-dark: #000000;

JSON

{
  "hex": "#1c425b",
  "rgb": {
    "r": 28,
    "g": 66,
    "b": 91
  },
  "hsl": {
    "h": 203.81,
    "s": 52.941,
    "l": 23.333
  },
  "oklch": {
    "l": 0.36372,
    "c": 0.06111,
    "h": 240.2
  },
  "luminance": 0.04899
}

Semantic roles & 50–950 ramp

primary

#1C425B

secondary

#906142

accent

#854BDC

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05080B

muted

#797B7C

Preview Lab

Preview with #1C425B

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

Preview Lab → · Contrast checker → · Palette generator →