#1F425C#1F425C

#1F425C is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 36.6% C 0.061 H 243.0°. Best body text is #FFFFFF at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#1F425C
RGB	rgb(31, 66, 92)
HSL	hsl(206, 50%, 24%)
HSV	hsv(206, 66%, 36%)
CMYK	cmyk(66.3%, 28.3%, 0%, 63.9%)
CIE-LAB	lab(26.62, -3.58, -19.23)
CIE-LCH	lch(26.62, 19.56, 259.46°)
OKLab	oklab(36.57% -0.0276 -0.054)
OKLCH	oklch(36.57% 0.061 243)
XYZ	xyz(4.4443, 4.9600, 10.8463)
Luminance	0.0496 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F425C #5C391F

analogous

#1F5C58 #1F425C #1F245C

triadic

#1F425C #5C1F42 #425C1F

tetradic

#1F425C #581F5C #5C391F #245C1F

square

#1F425C #581F5C #5C391F #245C1F

split-complementary

#1F425C #5C1F24 #5C581F

monochromatic

#081017 #10212E #1F425C #2E638A #3E84B8

Accessibility & contrast

On white

10.54

#1F425C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#1F425C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F425C

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F425C	#FFFFFF	#000000	##FFFFFF
##1F425C	1.00	10.54	1.99	10.54
#FFFFFF	10.54	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36425D

Deuteranopia (green-blind)

#2E3C5C

Tritanopia (blue-blind)

#00484B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1f425c;
/* rgb */ color: rgb(31, 66, 92);
/* oklch */ color: oklch(36.6% 0.061 243.0);

Tailwind

colors: {
  custom: {
    50: '#61768a',
    500: '#1f425c',
    950: '#000000',
  },
}

SCSS

$custom: #1f425c;
$custom-light: #61768a;
$custom-dark: #000000;

JSON

{
  "hex": "#1f425c",
  "rgb": {
    "r": 31,
    "g": 66,
    "b": 92
  },
  "hsl": {
    "h": 205.574,
    "s": 49.593,
    "l": 24.118
  },
  "oklch": {
    "l": 0.36565,
    "c": 0.06068,
    "h": 243
  },
  "luminance": 0.0496
}

Semantic roles & 50–950 ramp

primary

#1F425C

secondary

#916646

accent

#8A4FD9

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05080B

muted

#7A7B7C

Preview Lab

Preview with #1F425C

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

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