#1F90A8#1F90A8

#1F90A8 is a mid, moderate cyan. Relative luminance 0.231; OKLCH L 60.5% C 0.100 H 216.3°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#1F90A8
RGB	rgb(31, 144, 168)
HSL	hsl(191, 69%, 39%)
HSV	hsv(191, 82%, 66%)
CMYK	cmyk(81.5%, 14.3%, 0%, 34.1%)
CIE-LAB	lab(55.14, -21.62, -21.26)
CIE-LCH	lch(55.14, 30.32, 224.52°)
OKLab	oklab(60.46% -0.0808 -0.0594)
OKLCH	oklch(60.46% 0.1 216.3)
XYZ	xyz(17.6032, 23.0628, 40.5620)
Luminance	0.2306 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F90A8 #A8371F

analogous

#1FA87C #1F90A8 #1F4CA8

triadic

#1F90A8 #A81F90 #90A81F

tetradic

#1F90A8 #7C1FA8 #A8371F #4CA81F

square

#1F90A8 #7C1FA8 #A8371F #4CA81F

split-complementary

#1F90A8 #A81F4C #A87C1F

monochromatic

#0C3741 #156474 #1F90A8 #2CBAD8 #60CBE2

Accessibility & contrast

On white

3.74

#1F90A8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#1F90A8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F90A8

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F90A8	#FFFFFF	#000000	##000000
##1F90A8	1.00	3.74	5.61	5.61
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808BA9

Deuteranopia (green-blind)

#6E7EA8

Tritanopia (blue-blind)

#009998

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #1f90a8;
/* rgb */ color: rgb(31, 144, 168);
/* oklch */ color: oklch(60.5% 0.100 216.3);

Tailwind

colors: {
  custom: {
    50: '#74b0c2',
    500: '#1f90a8',
    950: '#000000',
  },
}

SCSS

$custom: #1f90a8;
$custom-light: #74b0c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f90a8",
  "rgb": {
    "r": 31,
    "g": 144,
    "b": 168
  },
  "hsl": {
    "h": 190.511,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.6046,
    "c": 0.10031,
    "h": 216.3
  },
  "luminance": 0.23065
}

Semantic roles & 50–950 ramp

primary

#1F90A8

secondary

#C66F5D

accent

#5B3CEC

background

#F7FAFB

surface

#EEF5F7

border

#C9CFD0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #1F90A8

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

Preview Lab → · Contrast checker → · Palette generator →