#1F91A8#1F91A8

#1F91A8 is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 60.7% C 0.100 H 215.4°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#1F91A8
RGB	rgb(31, 145, 168)
HSL	hsl(190, 69%, 39%)
HSV	hsv(190, 82%, 66%)
CMYK	cmyk(81.5%, 13.7%, 0%, 34.1%)
CIE-LAB	lab(55.45, -22.14, -20.78)
CIE-LCH	lch(55.45, 30.37, 223.18°)
OKLab	oklab(60.71% -0.0818 -0.058)
OKLCH	oklch(60.71% 0.1 215.4)
XYZ	xyz(17.7553, 23.3670, 40.6127)
Luminance	0.2337 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F91A8 #A8361F

analogous

#1FA87B #1F91A8 #1F4DA8

triadic

#1F91A8 #A81F91 #91A81F

tetradic

#1F91A8 #7B1FA8 #A8361F #4DA81F

square

#1F91A8 #7B1FA8 #A8361F #4DA81F

split-complementary

#1F91A8 #A81F4D #A87B1F

monochromatic

#0C3841 #156474 #1F91A8 #2CBBD8 #60CCE2

Accessibility & contrast

On white

3.70

#1F91A8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#1F91A8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F91A8

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F91A8	#FFFFFF	#000000	##000000
##1F91A8	1.00	3.70	5.67	5.67
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.67	21.00	1.00	1.00
##000000	5.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818CA9

Deuteranopia (green-blind)

#6F7FA8

Tritanopia (blue-blind)

#009998

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #1f91a8;
/* rgb */ color: rgb(31, 145, 168);
/* oklch */ color: oklch(60.7% 0.100 215.4);

Tailwind

colors: {
  custom: {
    50: '#74b1c2',
    500: '#1f91a8',
    950: '#000000',
  },
}

SCSS

$custom: #1f91a8;
$custom-light: #74b1c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f91a8",
  "rgb": {
    "r": 31,
    "g": 145,
    "b": 168
  },
  "hsl": {
    "h": 190.073,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.60711,
    "c": 0.1003,
    "h": 215.4
  },
  "luminance": 0.23369
}

Semantic roles & 50–950 ramp

primary

#1F91A8

secondary

#C66E5D

accent

#5A3CEC

background

#F7FAFB

surface

#EEF5F7

border

#C9CFD0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #1F91A8

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

Preview Lab → · Contrast checker → · Palette generator →