#1B58A7#1B58A7

#1B58A7 is a mid, vivid cyan. Relative luminance 0.100; OKLCH L 46.7% C 0.141 H 256.9°. Best body text is #FFFFFF at 7.00:1 contrast (WCAG AA passes).

Color values

HEX	#1B58A7
RGB	rgb(27, 88, 167)
HSL	hsl(214, 72%, 38%)
HSV	hsv(214, 84%, 65%)
CMYK	cmyk(83.8%, 47.3%, 0%, 34.5%)
CIE-LAB	lab(37.84, 10.94, -47.86)
CIE-LCH	lch(37.84, 49.10, 282.87°)
OKLab	oklab(46.73% -0.0321 -0.1375)
OKLCH	oklch(46.73% 0.141 256.9)
XYZ	xyz(10.9142, 10.0011, 37.9069)
Luminance	0.1000 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B58A7 #A76A1B

analogous

#1B9EA7 #1B58A7 #241BA7

triadic

#1B58A7 #A71B58 #58A71B

tetradic

#1B58A7 #A71B9E #A76A1B #1BA724

square

#1B58A7 #A71B9E #A76A1B #1BA724

split-complementary

#1B58A7 #A7241B #9EA71B

monochromatic

#0A203E #123C72 #1B58A7 #2474DC #5895E4

Accessibility & contrast

On white

7.00

#1B58A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#1B58A7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B58A7

7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B58A7	#FFFFFF	#000000	##FFFFFF
##1B58A7	1.00	7.00	3.00	7.00
#FFFFFF	7.00	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C60AA

Deuteranopia (green-blind)

#0053A5

Tritanopia (blue-blind)

#006B77

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1b58a7;
/* rgb */ color: rgb(27, 88, 167);
/* oklch */ color: oklch(46.7% 0.141 256.9);

Tailwind

colors: {
  custom: {
    50: '#7086c2',
    500: '#1b58a7',
    950: '#000000',
  },
}

SCSS

$custom: #1b58a7;
$custom-light: #7086c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1b58a7",
  "rgb": {
    "r": 27,
    "g": 88,
    "b": 167
  },
  "hsl": {
    "h": 213.857,
    "s": 72.165,
    "l": 38.039
  },
  "oklch": {
    "l": 0.46734,
    "c": 0.14123,
    "h": 256.9
  },
  "luminance": 0.10002
}

Semantic roles & 50–950 ramp

primary

#1B58A7

secondary

#C89656

accent

#A039EF

background

#F7F8FC

surface

#EDEFF8

border

#C8CAD1

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1B58A7

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

Preview Lab → · Contrast checker → · Palette generator →