#1F425F#1F425F

#1F425F is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 36.7% C 0.065 H 245.8°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#1F425F
RGB	rgb(31, 66, 95)
HSL	hsl(207, 51%, 25%)
HSV	hsv(207, 67%, 37%)
CMYK	cmyk(67.4%, 30.5%, 0%, 62.7%)
CIE-LAB	lab(26.77, -2.44, -20.93)
CIE-LCH	lch(26.77, 21.07, 263.34°)
OKLab	oklab(36.74% -0.0265 -0.059)
OKLCH	oklch(36.74% 0.065 245.8)
XYZ	xyz(4.5781, 5.0135, 11.5507)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F425F #5F3C1F

analogous

#1F5F5C #1F425F #1F225F

triadic

#1F425F #5F1F42 #425F1F

tetradic

#1F425F #5C1F5F #5F3C1F #225F1F

square

#1F425F #5C1F5F #5F3C1F #225F1F

split-complementary

#1F425F #5F1F22 #5F5C1F

monochromatic

#081017 #102231 #1F425F #2E628D #3D82BB

Accessibility & contrast

On white

10.49

#1F425F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#1F425F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F425F

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F425F	#FFFFFF	#000000	##FFFFFF
##1F425F	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#354360

Deuteranopia (green-blind)

#2D3C5E

Tritanopia (blue-blind)

#00494C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1f425f;
/* rgb */ color: rgb(31, 66, 95);
/* oklch */ color: oklch(36.7% 0.065 245.8);

Tailwind

colors: {
  custom: {
    50: '#62768c',
    500: '#1f425f',
    950: '#000000',
  },
}

SCSS

$custom: #1f425f;
$custom-light: #62768c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f425f",
  "rgb": {
    "r": 31,
    "g": 66,
    "b": 95
  },
  "hsl": {
    "h": 207.188,
    "s": 50.794,
    "l": 24.706
  },
  "oklch": {
    "l": 0.36735,
    "c": 0.06464,
    "h": 245.8
  },
  "luminance": 0.05014
}

Semantic roles & 50–950 ramp

primary

#1F425F

secondary

#946946

accent

#8D4EDA

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05080C

muted

#7A7B7D

Preview Lab

Preview with #1F425F

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

Preview Lab → · Contrast checker → · Palette generator →