#1F7591#1F7591

#1F7591 is a mid, moderate cyan. Relative luminance 0.151; OKLCH L 52.6% C 0.089 H 224.7°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#1F7591
RGB	rgb(31, 117, 145)
HSL	hsl(195, 65%, 35%)
HSV	hsv(195, 79%, 57%)
CMYK	cmyk(78.6%, 19.3%, 0%, 43.1%)
CIE-LAB	lab(45.71, -14.92, -22.36)
CIE-LCH	lch(45.71, 26.88, 236.28°)
OKLab	oklab(52.58% -0.0633 -0.0627)
OKLCH	oklch(52.58% 0.089 224.7)
XYZ	xyz(12.0351, 15.0568, 29.0545)
Luminance	0.1506 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F7591 #913B1F

analogous

#1F9174 #1F7591 #1F3C91

triadic

#1F7591 #911F75 #75911F

tetradic

#1F7591 #741F91 #913B1F #3C911F

square

#1F7591 #741F91 #913B1F #3C911F

split-complementary

#1F7591 #911F3C #91741F

monochromatic

#09242C #144C5F #1F7591 #2A9EC3 #51B8DA

Accessibility & contrast

On white

5.23

#1F7591 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#1F7591 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F7591

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F7591	#FFFFFF	#000000	##FFFFFF
##1F7591	1.00	5.23	4.01	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#657292

Deuteranopia (green-blind)

#566791

Tritanopia (blue-blind)

#007D7E

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #1f7591;
/* rgb */ color: rgb(31, 117, 145);
/* oklch */ color: oklch(52.6% 0.089 224.7);

Tailwind

colors: {
  custom: {
    50: '#6e9cb1',
    500: '#1f7591',
    950: '#000000',
  },
}

SCSS

$custom: #1f7591;
$custom-light: #6e9cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f7591",
  "rgb": {
    "r": 31,
    "g": 117,
    "b": 145
  },
  "hsl": {
    "h": 194.737,
    "s": 64.773,
    "l": 34.51
  },
  "oklch": {
    "l": 0.52579,
    "c": 0.0891,
    "h": 224.7
  },
  "luminance": 0.15058
}

Semantic roles & 50–950 ramp

primary

#1F7591

secondary

#BD6A4F

accent

#6940E8

background

#F7F9FA

surface

#EDF2F5

border

#C8CCCF

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1F7591

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

Preview Lab → · Contrast checker → · Palette generator →