#1F456F#1F456F

#1F456F is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.5% C 0.084 H 252.8°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#1F456F
RGB	rgb(31, 69, 111)
HSL	hsl(212, 56%, 28%)
HSV	hsv(212, 72%, 44%)
CMYK	cmyk(72.1%, 37.8%, 0%, 56.5%)
CIE-LAB	lab(28.63, 1.75, -28.25)
CIE-LCH	lch(28.63, 28.30, 273.54°)
OKLab	oklab(38.48% -0.0248 -0.0802)
OKLCH	oklch(38.48% 0.084 252.8)
XYZ	xyz(5.5614, 5.6947, 15.8419)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F456F #6F491F

analogous

#1F6D6F #1F456F #211F6F

triadic

#1F456F #6F1F45 #456F1F

tetradic

#1F456F #6F1F6D #6F491F #1F6F21

square

#1F456F #6F1F6D #6F491F #1F6F21

split-complementary

#1F456F #6F211F #6D6F1F

monochromatic

#070F18 #12273F #1F456F #2C639F #3F81C9

Accessibility & contrast

On white

9.82

#1F456F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#1F456F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F456F

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F456F	#FFFFFF	#000000	##FFFFFF
##1F456F	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#324871

Deuteranopia (green-blind)

#27406E

Tritanopia (blue-blind)

#004F54

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1f456f;
/* rgb */ color: rgb(31, 69, 111);
/* oklch */ color: oklch(38.5% 0.084 252.8);

Tailwind

colors: {
  custom: {
    50: '#657898',
    500: '#1f456f',
    950: '#000000',
  },
}

SCSS

$custom: #1f456f;
$custom-light: #657898;
$custom-dark: #000000;

JSON

{
  "hex": "#1f456f",
  "rgb": {
    "r": 31,
    "g": 69,
    "b": 111
  },
  "hsl": {
    "h": 211.5,
    "s": 56.338,
    "l": 27.843
  },
  "oklch": {
    "l": 0.38479,
    "c": 0.08399,
    "h": 252.8
  },
  "luminance": 0.05695
}

Semantic roles & 50–950 ramp

primary

#1F456F

secondary

#A37747

accent

#9848E0

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #1F456F

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

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