#1F91AD#1F91AD

#1F91AD is a mid, moderate cyan. Relative luminance 0.236; OKLCH L 60.9% C 0.103 H 219.3°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#1F91AD
RGB	rgb(31, 145, 173)
HSL	hsl(192, 70%, 40%)
HSV	hsv(192, 82%, 68%)
CMYK	cmyk(82.1%, 16.2%, 0%, 32.2%)
CIE-LAB	lab(55.64, -20.45, -23.34)
CIE-LCH	lch(55.64, 31.03, 228.78°)
OKLab	oklab(60.93% -0.0798 -0.0653)
OKLCH	oklch(60.93% 0.103 219.3)
XYZ	xyz(18.2301, 23.5569, 43.1132)
Luminance	0.2356 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F91AD #AD3B1F

analogous

#1FAD82 #1F91AD #1F4AAD

triadic

#1F91AD #AD1F91 #91AD1F

tetradic

#1F91AD #821FAD #AD3B1F #4AAD1F

square

#1F91AD #821FAD #AD3B1F #4AAD1F

split-complementary

#1F91AD #AD1F4A #AD821F

monochromatic

#0C3A45 #166679 #1F91AD #2FB8DA #63CAE3

Accessibility & contrast

On white

3.68

#1F91AD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#1F91AD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F91AD

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F91AD	#FFFFFF	#000000	##000000
##1F91AD	1.00	3.68	5.71	5.71
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808DAE

Deuteranopia (green-blind)

#6D80AD

Tritanopia (blue-blind)

#009A9A

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #1f91ad;
/* rgb */ color: rgb(31, 145, 173);
/* oklch */ color: oklch(60.9% 0.103 219.3);

Tailwind

colors: {
  custom: {
    50: '#75b1c5',
    500: '#1f91ad',
    950: '#000000',
  },
}

SCSS

$custom: #1f91ad;
$custom-light: #75b1c5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f91ad",
  "rgb": {
    "r": 31,
    "g": 145,
    "b": 173
  },
  "hsl": {
    "h": 191.831,
    "s": 69.608,
    "l": 40
  },
  "oklch": {
    "l": 0.6093,
    "c": 0.10312,
    "h": 219.3
  },
  "luminance": 0.23559
}

Semantic roles & 50–950 ramp

primary

#1F91AD

secondary

#C87460

accent

#5E3BEC

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #1F91AD

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

Preview Lab → · Contrast checker → · Palette generator →