#1F82B4#1F82B4

#1F82B4 is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.6% C 0.115 H 236.8°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#1F82B4
RGB	rgb(31, 130, 180)
HSL	hsl(200, 71%, 41%)
HSV	hsv(200, 83%, 71%)
CMYK	cmyk(82.8%, 27.8%, 0%, 29.4%)
CIE-LAB	lab(51.32, -9.68, -34.06)
CIE-LCH	lch(51.32, 35.41, 254.13°)
OKLab	oklab(57.58% -0.063 -0.0963)
OKLCH	oklch(57.58% 0.115 236.8)
XYZ	xyz(16.7826, 19.5497, 46.0601)
Luminance	0.1955 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F82B4 #B4511F

analogous

#1FB49C #1F82B4 #1F38B4

triadic

#1F82B4 #B41F82 #82B41F

tetradic

#1F82B4 #9C1FB4 #B4511F #38B41F

square

#1F82B4 #9C1FB4 #B4511F #38B41F

split-complementary

#1F82B4 #B41F38 #B49C1F

monochromatic

#0D374C #165C80 #1F82B4 #34A4DC #68BBE5

Accessibility & contrast

On white

4.28

#1F82B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#1F82B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F82B4

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F82B4	#FFFFFF	#000000	##000000
##1F82B4	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A82B6

Deuteranopia (green-blind)

#5674B3

Tritanopia (blue-blind)

#008F93

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #1f82b4;
/* rgb */ color: rgb(31, 130, 180);
/* oklch */ color: oklch(57.6% 0.115 236.8);

Tailwind

colors: {
  custom: {
    50: '#75a6ca',
    500: '#1f82b4',
    950: '#000000',
  },
}

SCSS

$custom: #1f82b4;
$custom-light: #75a6ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1f82b4",
  "rgb": {
    "r": 31,
    "g": 130,
    "b": 180
  },
  "hsl": {
    "h": 200.134,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.57575,
    "c": 0.11514,
    "h": 236.8
  },
  "luminance": 0.19552
}

Semantic roles & 50–950 ramp

primary

#1F82B4

secondary

#CB8764

accent

#763AED

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #1F82B4

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

Preview Lab → · Contrast checker → · Palette generator →