#1F5166#1F5166

#1F5166 is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.1% C 0.063 H 228.9°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#1F5166
RGB	rgb(31, 81, 102)
HSL	hsl(198, 53%, 26%)
HSV	hsv(198, 70%, 40%)
CMYK	cmyk(69.6%, 20.6%, 0%, 60%)
CIE-LAB	lab(32.11, -9.35, -17.11)
CIE-LCH	lch(32.11, 19.50, 241.34°)
OKLab	oklab(41.08% -0.0417 -0.0478)
OKLCH	oklch(41.08% 0.063 228.9)
XYZ	xyz(5.9048, 7.1348, 13.6338)
Luminance	0.0713 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5166 #66341F

analogous

#1F6657 #1F5166 #1F2D66

triadic

#1F5166 #661F51 #51661F

tetradic

#1F5166 #571F66 #66341F #2D661F

square

#1F5166 #571F66 #66341F #2D661F

split-complementary

#1F5166 #661F2D #66571F

monochromatic

#071317 #112C37 #1F5166 #2D7695 #3C9BC4

Accessibility & contrast

On white

8.65

#1F5166 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#1F5166 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5166

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5166	#FFFFFF	#000000	##FFFFFF
##1F5166	1.00	8.65	2.43	8.65
#FFFFFF	8.65	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#465067

Deuteranopia (green-blind)

#3C4866

Tritanopia (blue-blind)

#005758

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1f5166;
/* rgb */ color: rgb(31, 81, 102);
/* oklch */ color: oklch(41.1% 0.063 228.9);

Tailwind

colors: {
  custom: {
    50: '#648191',
    500: '#1f5166',
    950: '#000000',
  },
}

SCSS

$custom: #1f5166;
$custom-light: #648191;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5166",
  "rgb": {
    "r": 31,
    "g": 81,
    "b": 102
  },
  "hsl": {
    "h": 197.746,
    "s": 53.383,
    "l": 26.078
  },
  "oklch": {
    "l": 0.41083,
    "c": 0.06346,
    "h": 228.9
  },
  "luminance": 0.07135
}

Semantic roles & 50–950 ramp

primary

#1F5166

secondary

#9A5F46

accent

#764BDD

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#060A0C

muted

#7A7C7D

Preview Lab

Preview with #1F5166

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

Preview Lab → · Contrast checker → · Palette generator →