#1F7DB4#1F7DB4

#1F7DB4 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.4% C 0.119 H 240.5°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#1F7DB4
RGB	rgb(31, 125, 180)
HSL	hsl(202, 71%, 41%)
HSV	hsv(202, 83%, 71%)
CMYK	cmyk(82.8%, 30.6%, 0%, 29.4%)
CIE-LAB	lab(49.80, -6.78, -36.45)
CIE-LCH	lch(49.80, 37.08, 259.47°)
OKLab	oklab(56.36% -0.0585 -0.1034)
OKLCH	oklch(56.36% 0.119 240.5)
XYZ	xyz(16.1336, 18.2518, 45.8438)
Luminance	0.1825 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F7DB4 #B4561F

analogous

#1FB4A1 #1F7DB4 #1F32B4

triadic

#1F7DB4 #B41F7D #7DB41F

tetradic

#1F7DB4 #A11FB4 #B4561F #32B41F

square

#1F7DB4 #A11FB4 #B4561F #32B41F

split-complementary

#1F7DB4 #B41F32 #B4A11F

monochromatic

#0D344C #165980 #1F7DB4 #349EDC #68B7E5

Accessibility & contrast

On white

4.52

#1F7DB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#1F7DB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F7DB4

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F7DB4	#FFFFFF	#000000	##000000
##1F7DB4	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#637EB6

Deuteranopia (green-blind)

#4F70B3

Tritanopia (blue-blind)

#008B90

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #1f7db4;
/* rgb */ color: rgb(31, 125, 180);
/* oklch */ color: oklch(56.4% 0.119 240.5);

Tailwind

colors: {
  custom: {
    50: '#74a2ca',
    500: '#1f7db4',
    950: '#000000',
  },
}

SCSS

$custom: #1f7db4;
$custom-light: #74a2ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1f7db4",
  "rgb": {
    "r": 31,
    "g": 125,
    "b": 180
  },
  "hsl": {
    "h": 202.148,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.56364,
    "c": 0.11877,
    "h": 240.5
  },
  "luminance": 0.18254
}

Semantic roles & 50–950 ramp

primary

#1F7DB4

secondary

#CB8A64

accent

#7C3AED

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #1F7DB4

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

Preview Lab → · Contrast checker → · Palette generator →