#1F5071#1F5071

#1F5071 is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.4% C 0.076 H 241.5°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#1F5071
RGB	rgb(31, 80, 113)
HSL	hsl(204, 57%, 28%)
HSV	hsv(204, 73%, 44%)
CMYK	cmyk(72.6%, 29.2%, 0%, 55.7%)
CIE-LAB	lab(32.30, -4.65, -23.72)
CIE-LCH	lch(32.30, 24.17, 258.92°)
OKLab	oklab(41.41% -0.0363 -0.0669)
OKLCH	oklch(41.41% 0.076 241.5)
XYZ	xyz(6.4132, 7.2202, 16.6752)
Luminance	0.0722 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5071 #71401F

analogous

#1F7169 #1F5071 #1F2771

triadic

#1F5071 #711F50 #50711F

tetradic

#1F5071 #691F71 #71401F #27711F

square

#1F5071 #691F71 #71401F #27711F

split-complementary

#1F5071 #711F27 #71691F

monochromatic

#071118 #122E41 #1F5071 #2C72A1 #4093CB

Accessibility & contrast

On white

8.59

#1F5071 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#1F5071 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5071

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5071	#FFFFFF	#000000	##FFFFFF
##1F5071	1.00	8.59	2.44	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#415072

Deuteranopia (green-blind)

#364870

Tritanopia (blue-blind)

#00585B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1f5071;
/* rgb */ color: rgb(31, 80, 113);
/* oklch */ color: oklch(41.4% 0.076 241.5);

Tailwind

colors: {
  custom: {
    50: '#66809a',
    500: '#1f5071',
    950: '#000000',
  },
}

SCSS

$custom: #1f5071;
$custom-light: #66809a;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5071",
  "rgb": {
    "r": 31,
    "g": 80,
    "b": 113
  },
  "hsl": {
    "h": 204.146,
    "s": 56.944,
    "l": 28.235
  },
  "oklch": {
    "l": 0.41407,
    "c": 0.07614,
    "h": 241.5
  },
  "luminance": 0.07221
}

Semantic roles & 50–950 ramp

primary

#1F5071

secondary

#A56D47

accent

#8548E0

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1F5071

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

Preview Lab → · Contrast checker → · Palette generator →