#1F6578#1F6578

#1F6578 is a mid, moderate cyan. Relative luminance 0.110; OKLCH L 47.3% C 0.074 H 219.7°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#1F6578
RGB	rgb(31, 101, 120)
HSL	hsl(193, 59%, 30%)
HSV	hsv(193, 74%, 47%)
CMYK	cmyk(74.2%, 15.8%, 0%, 52.9%)
CIE-LAB	lab(39.50, -14.70, -16.90)
CIE-LCH	lch(39.50, 22.40, 228.98°)
OKLab	oklab(47.25% -0.0567 -0.0472)
OKLCH	oklch(47.25% 0.074 219.7)
XYZ	xyz(8.6075, 10.9537, 19.4263)
Luminance	0.1095 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F6578 #78321F

analogous

#1F785F #1F6578 #1F3978

triadic

#1F6578 #781F65 #65781F

tetradic

#1F6578 #5F1F78 #78321F #39781F

square

#1F6578 #5F1F78 #78321F #39781F

split-complementary

#1F6578 #781F39 #785F1F

monochromatic

#061418 #123C47 #1F6578 #2C8EA9 #43B1CE

Accessibility & contrast

On white

6.58

#1F6578 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#1F6578 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F6578

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F6578	#FFFFFF	#000000	##FFFFFF
##1F6578	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#596279

Deuteranopia (green-blind)

#4D5978

Tritanopia (blue-blind)

#006B6B

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1f6578;
/* rgb */ color: rgb(31, 101, 120);
/* oklch */ color: oklch(47.3% 0.074 219.7);

Tailwind

colors: {
  custom: {
    50: '#68919f',
    500: '#1f6578',
    950: '#000000',
  },
}

SCSS

$custom: #1f6578;
$custom-light: #68919f;
$custom-dark: #000000;

JSON

{
  "hex": "#1f6578",
  "rgb": {
    "r": 31,
    "g": 101,
    "b": 120
  },
  "hsl": {
    "h": 192.809,
    "s": 58.94,
    "l": 29.608
  },
  "oklch": {
    "l": 0.47254,
    "c": 0.07379,
    "h": 219.7
  },
  "luminance": 0.10955
}

Semantic roles & 50–950 ramp

primary

#1F6578

secondary

#AB5D47

accent

#6746E2

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0E

muted

#7A7D7E

Preview Lab

Preview with #1F6578

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

Preview Lab → · Contrast checker → · Palette generator →