#1F7BD5#1F7BD5

#1F7BD5 is a mid, vivid cyan. Relative luminance 0.193; OKLCH L 57.9% C 0.161 H 252.6°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#1F7BD5
RGB	rgb(31, 123, 213)
HSL	hsl(210, 75%, 48%)
HSV	hsv(210, 85%, 84%)
CMYK	cmyk(85.4%, 42.3%, 0%, 16.5%)
CIE-LAB	lab(50.99, 6.92, -53.44)
CIE-LCH	lch(50.99, 53.88, 277.38°)
OKLab	oklab(57.88% -0.048 -0.1532)
OKLCH	oklch(57.88% 0.161 252.6)
XYZ	xyz(19.6537, 19.2588, 65.6193)
Luminance	0.1926 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F7BD5 #D5791F

analogous

#1FD5D4 #1F7BD5 #1F20D5

triadic

#1F7BD5 #D51F7B #7BD51F

tetradic

#1F7BD5 #D41FD5 #D5791F #20D51F

square

#1F7BD5 #D41FD5 #D5791F #20D51F

split-complementary

#1F7BD5 #D51F20 #D5D41F

monochromatic

#0F3D6A #175CA0 #1F7BD5 #4C99E5 #82B8ED

Accessibility & contrast

On white

4.33

#1F7BD5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#1F7BD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F7BD5

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F7BD5	#FFFFFF	#000000	##000000
##1F7BD5	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D82D9

Deuteranopia (green-blind)

#2B72D3

Tritanopia (blue-blind)

#00919D

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #1f7bd5;
/* rgb */ color: rgb(31, 123, 213);
/* oklch */ color: oklch(57.9% 0.161 252.6);

Tailwind

colors: {
  custom: {
    50: '#7ba0e2',
    500: '#1f7bd5',
    950: '#000000',
  },
}

SCSS

$custom: #1f7bd5;
$custom-light: #7ba0e2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f7bd5",
  "rgb": {
    "r": 31,
    "g": 123,
    "b": 213
  },
  "hsl": {
    "h": 209.67,
    "s": 74.59,
    "l": 47.843
  },
  "oklch": {
    "l": 0.57878,
    "c": 0.16051,
    "h": 252.6
  },
  "luminance": 0.19261
}

Semantic roles & 50–950 ramp

primary

#1F7BD5

secondary

#D5A77A

accent

#9337F1

background

#F8F9FD

surface

#EFF2FB

border

#CACCD4

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #1F7BD5

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

Preview Lab → · Contrast checker → · Palette generator →