#1F456A#1F456A

#1F456A is a dark, moderate cyan. Relative luminance 0.056; OKLCH L 38.2% C 0.077 H 250.0°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#1F456A
RGB	rgb(31, 69, 106)
HSL	hsl(210, 55%, 27%)
HSV	hsv(210, 71%, 42%)
CMYK	cmyk(70.8%, 34.9%, 0%, 58.4%)
CIE-LAB	lab(28.35, -0.21, -25.51)
CIE-LCH	lch(28.35, 25.51, 269.54°)
OKLab	oklab(38.17% -0.0263 -0.0723)
OKLCH	oklch(38.17% 0.077 250)
XYZ	xyz(5.2937, 5.5876, 14.4324)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F456A #6A441F

analogous

#1F6A6A #1F456A #1F1F6A

triadic

#1F456A #6A1F45 #456A1F

tetradic

#1F456A #6A1F6A #6A441F #1F6A1F

square

#1F456A #6A1F6A #6A441F #1F6A1F

split-complementary

#1F456A #6A1F1F #6A6A1F

monochromatic

#070F18 #11263B #1F456A #2D6499 #3D83C6

Accessibility & contrast

On white

9.92

#1F456A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#1F456A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F456A

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F456A	#FFFFFF	#000000	##FFFFFF
##1F456A	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35476C

Deuteranopia (green-blind)

#2A4069

Tritanopia (blue-blind)

#004E52

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1f456a;
/* rgb */ color: rgb(31, 69, 106);
/* oklch */ color: oklch(38.2% 0.077 250.0);

Tailwind

colors: {
  custom: {
    50: '#647895',
    500: '#1f456a',
    950: '#000000',
  },
}

SCSS

$custom: #1f456a;
$custom-light: #647895;
$custom-dark: #000000;

JSON

{
  "hex": "#1f456a",
  "rgb": {
    "r": 31,
    "g": 69,
    "b": 106
  },
  "hsl": {
    "h": 209.6,
    "s": 54.745,
    "l": 26.863
  },
  "oklch": {
    "l": 0.38167,
    "c": 0.07692,
    "h": 250
  },
  "luminance": 0.05588
}

Semantic roles & 50–950 ramp

primary

#1F456A

secondary

#9E7247

accent

#934ADE

background

#F6F7F9

surface

#EBEDF1

border

#C6C8CB

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #1F456A

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

Preview Lab → · Contrast checker → · Palette generator →