#1F8AB4#1F8AB4

#1F8AB4 is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.5% C 0.111 H 230.4°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#1F8AB4
RGB	rgb(31, 138, 180)
HSL	hsl(197, 71%, 41%)
HSV	hsv(197, 83%, 71%)
CMYK	cmyk(82.8%, 23.3%, 0%, 29.4%)
CIE-LAB	lab(53.77, -14.21, -30.24)
CIE-LCH	lch(53.77, 33.41, 244.83°)
OKLab	oklab(59.53% -0.0704 -0.0852)
OKLCH	oklch(59.53% 0.111 230.4)
XYZ	xyz(17.8884, 21.7613, 46.4287)
Luminance	0.2176 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F8AB4 #B4491F

analogous

#1FB494 #1F8AB4 #1F40B4

triadic

#1F8AB4 #B41F8A #8AB41F

tetradic

#1F8AB4 #941FB4 #B4491F #40B41F

square

#1F8AB4 #941FB4 #B4491F #40B41F

split-complementary

#1F8AB4 #B41F40 #B4941F

monochromatic

#0D3A4C #166280 #1F8AB4 #34ADDC #68C2E5

Accessibility & contrast

On white

3.92

#1F8AB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#1F8AB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F8AB4

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F8AB4	#FFFFFF	#000000	##000000
##1F8AB4	1.00	3.92	5.35	5.35
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7488B6

Deuteranopia (green-blind)

#617BB3

Tritanopia (blue-blind)

#009698

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #1f8ab4;
/* rgb */ color: rgb(31, 138, 180);
/* oklch */ color: oklch(59.5% 0.111 230.4);

Tailwind

colors: {
  custom: {
    50: '#75acca',
    500: '#1f8ab4',
    950: '#000000',
  },
}

SCSS

$custom: #1f8ab4;
$custom-light: #75acca;
$custom-dark: #000000;

JSON

{
  "hex": "#1f8ab4",
  "rgb": {
    "r": 31,
    "g": 138,
    "b": 180
  },
  "hsl": {
    "h": 196.913,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.59527,
    "c": 0.11055,
    "h": 230.4
  },
  "luminance": 0.21764
}

Semantic roles & 50–950 ramp

primary

#1F8AB4

secondary

#CB8164

accent

#6D3AED

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #1F8AB4

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

Preview Lab → · Contrast checker → · Palette generator →