#1F5073#1F5073

#1F5073 is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.5% C 0.079 H 243.1°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#1F5073
RGB	rgb(31, 80, 115)
HSL	hsl(205, 58%, 29%)
HSV	hsv(205, 73%, 45%)
CMYK	cmyk(73%, 30.4%, 0%, 54.9%)
CIE-LAB	lab(32.40, -3.89, -24.82)
CIE-LCH	lch(32.40, 25.12, 261.10°)
OKLab	oklab(41.52% -0.0356 -0.0701)
OKLCH	oklch(41.52% 0.079 243.1)
XYZ	xyz(6.5271, 7.2657, 17.2748)
Luminance	0.0727 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5073 #73421F

analogous

#1F736C #1F5073 #1F2673

triadic

#1F5073 #731F50 #50731F

tetradic

#1F5073 #6C1F73 #73421F #26731F

square

#1F5073 #6C1F73 #73421F #26731F

split-complementary

#1F5073 #731F26 #736C1F

monochromatic

#061118 #122E43 #1F5073 #2C72A3 #4192CC

Accessibility & contrast

On white

8.56

#1F5073 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#1F5073 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5073

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5073	#FFFFFF	#000000	##FFFFFF
##1F5073	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#405175

Deuteranopia (green-blind)

#354972

Tritanopia (blue-blind)

#00595C

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1f5073;
/* rgb */ color: rgb(31, 80, 115);
/* oklch */ color: oklch(41.5% 0.079 243.1);

Tailwind

colors: {
  custom: {
    50: '#66809b',
    500: '#1f5073',
    950: '#000000',
  },
}

SCSS

$custom: #1f5073;
$custom-light: #66809b;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5073",
  "rgb": {
    "r": 31,
    "g": 80,
    "b": 115
  },
  "hsl": {
    "h": 205,
    "s": 57.534,
    "l": 28.627
  },
  "oklch": {
    "l": 0.4152,
    "c": 0.07863,
    "h": 243.1
  },
  "luminance": 0.07266
}

Semantic roles & 50–950 ramp

primary

#1F5073

secondary

#A76F47

accent

#8747E1

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1F5073

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

Preview Lab → · Contrast checker → · Palette generator →