#1585B4#1585B4

#1585B4 is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 58.1% C 0.116 H 233.5°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#1585B4
RGB	rgb(21, 133, 180)
HSL	hsl(198, 79%, 39%)
HSV	hsv(198, 88%, 71%)
CMYK	cmyk(88.3%, 26.1%, 0%, 29.4%)
CIE-LAB	lab(52.09, -12.17, -32.87)
CIE-LCH	lch(52.09, 35.05, 249.68°)
OKLab	oklab(58.14% -0.0688 -0.0929)
OKLCH	oklch(58.14% 0.116 233.5)
XYZ	xyz(16.9316, 20.2276, 46.1831)
Luminance	0.2023 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1585B4 #B44415

analogous

#15B494 #1585B4 #1536B4

triadic

#1585B4 #B41585 #85B415

tetradic

#1585B4 #9415B4 #B44415 #36B415

square

#1585B4 #9415B4 #B44415 #36B415

split-complementary

#1585B4 #B41536 #B49415

monochromatic

#083446 #0F5D7D #1585B4 #21ABE5 #58C0EC

Accessibility & contrast

On white

4.16

#1585B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#1585B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1585B4

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1585B4	#FFFFFF	#000000	##000000
##1585B4	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E84B6

Deuteranopia (green-blind)

#5976B3

Tritanopia (blue-blind)

#009195

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #1585b4;
/* rgb */ color: rgb(21, 133, 180);
/* oklch */ color: oklch(58.1% 0.116 233.5);

Tailwind

colors: {
  custom: {
    50: '#73a8ca',
    500: '#1585b4',
    950: '#000000',
  },
}

SCSS

$custom: #1585b4;
$custom-light: #73a8ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1585b4",
  "rgb": {
    "r": 21,
    "g": 133,
    "b": 180
  },
  "hsl": {
    "h": 197.736,
    "s": 79.104,
    "l": 39.412
  },
  "oklch": {
    "l": 0.58144,
    "c": 0.11563,
    "h": 233.5
  },
  "luminance": 0.2023
}

Semantic roles & 50–950 ramp

primary

#1585B4

secondary

#CF7A56

accent

#6C32F6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #1585B4

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

Preview Lab → · Contrast checker → · Palette generator →