#1F90A9#1F90A9

#1F90A9 is a mid, moderate cyan. Relative luminance 0.231; OKLCH L 60.5% C 0.101 H 217.1°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#1F90A9
RGB	rgb(31, 144, 169)
HSL	hsl(191, 69%, 39%)
HSV	hsv(191, 82%, 66%)
CMYK	cmyk(81.7%, 14.8%, 0%, 33.7%)
CIE-LAB	lab(55.18, -21.28, -21.77)
CIE-LCH	lch(55.18, 30.44, 225.65°)
OKLab	oklab(60.5% -0.0804 -0.0609)
OKLCH	oklch(60.5% 0.101 217.1)
XYZ	xyz(17.6967, 23.1002, 41.0545)
Luminance	0.2310 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F90A9 #A9381F

analogous

#1FA97D #1F90A9 #1F4BA9

triadic

#1F90A9 #A91F90 #90A91F

tetradic

#1F90A9 #7D1FA9 #A9381F #4BA91F

square

#1F90A9 #7D1FA9 #A9381F #4BA91F

split-complementary

#1F90A9 #A91F4B #A97D1F

monochromatic

#0C3842 #166475 #1F90A9 #2DB9D8 #60CAE2

Accessibility & contrast

On white

3.74

#1F90A9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.62

#1F90A9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F90A9

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F90A9	#FFFFFF	#000000	##000000
##1F90A9	1.00	3.74	5.62	5.62
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.62	21.00	1.00	1.00
##000000	5.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808CAA

Deuteranopia (green-blind)

#6E7EA9

Tritanopia (blue-blind)

#009998

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #1f90a9;
/* rgb */ color: rgb(31, 144, 169);
/* oklch */ color: oklch(60.5% 0.101 217.1);

Tailwind

colors: {
  custom: {
    50: '#74b0c2',
    500: '#1f90a9',
    950: '#000000',
  },
}

SCSS

$custom: #1f90a9;
$custom-light: #74b0c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f90a9",
  "rgb": {
    "r": 31,
    "g": 144,
    "b": 169
  },
  "hsl": {
    "h": 190.87,
    "s": 69,
    "l": 39.216
  },
  "oklch": {
    "l": 0.60504,
    "c": 0.10086,
    "h": 217.1
  },
  "luminance": 0.23102
}

Semantic roles & 50–950 ramp

primary

#1F90A9

secondary

#C7705D

accent

#5C3CEC

background

#F7FAFB

surface

#EEF5F7

border

#C9CFD0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #1F90A9

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

Preview Lab → · Contrast checker → · Palette generator →