#1F425B#1F425B

#1F425B is a dark, muted cyan. Relative luminance 0.049; OKLCH L 36.5% C 0.059 H 241.9°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#1F425B
RGB	rgb(31, 66, 91)
HSL	hsl(205, 49%, 24%)
HSV	hsv(205, 66%, 36%)
CMYK	cmyk(65.9%, 27.5%, 0%, 64.3%)
CIE-LAB	lab(26.57, -3.95, -18.66)
CIE-LCH	lch(26.57, 19.07, 258.05°)
OKLab	oklab(36.51% -0.0279 -0.0524)
OKLCH	oklch(36.51% 0.059 241.9)
XYZ	xyz(4.4009, 4.9426, 10.6176)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F425B #5B381F

analogous

#1F5B56 #1F425B #1F245B

triadic

#1F425B #5B1F42 #425B1F

tetradic

#1F425B #561F5B #5B381F #245B1F

square

#1F425B #561F5B #5B381F #245B1F

split-complementary

#1F425B #5B1F24 #5B561F

monochromatic

#081117 #0F212D #1F425B #2F6389 #3E84B6

Accessibility & contrast

On white

10.56

#1F425B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#1F425B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F425B

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F425B	#FFFFFF	#000000	##FFFFFF
##1F425B	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37425C

Deuteranopia (green-blind)

#2F3C5B

Tritanopia (blue-blind)

#00484B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1f425b;
/* rgb */ color: rgb(31, 66, 91);
/* oklch */ color: oklch(36.5% 0.059 241.9);

Tailwind

colors: {
  custom: {
    50: '#617689',
    500: '#1f425b',
    950: '#000000',
  },
}

SCSS

$custom: #1f425b;
$custom-light: #617689;
$custom-dark: #000000;

JSON

{
  "hex": "#1f425b",
  "rgb": {
    "r": 31,
    "g": 66,
    "b": 91
  },
  "hsl": {
    "h": 205,
    "s": 49.18,
    "l": 23.922
  },
  "oklch": {
    "l": 0.36509,
    "c": 0.05938,
    "h": 241.9
  },
  "luminance": 0.04943
}

Semantic roles & 50–950 ramp

primary

#1F425B

secondary

#906546

accent

#884FD9

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05080B

muted

#7A7B7C

Preview Lab

Preview with #1F425B

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

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