#1582B4#1582B4

#1582B4 is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.4% C 0.118 H 235.7°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#1582B4
RGB	rgb(21, 130, 180)
HSL	hsl(199, 79%, 39%)
HSV	hsv(199, 88%, 71%)
CMYK	cmyk(88.3%, 27.8%, 0%, 29.4%)
CIE-LAB	lab(51.17, -10.46, -34.31)
CIE-LCH	lch(51.17, 35.87, 253.04°)
OKLab	oklab(57.41% -0.0662 -0.0971)
OKLCH	oklch(57.41% 0.118 235.7)
XYZ	xyz(16.5268, 19.4178, 46.0481)
Luminance	0.1942 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1582B4 #B44715

analogous

#15B497 #1582B4 #1533B4

triadic

#1582B4 #B41582 #82B415

tetradic

#1582B4 #9715B4 #B44715 #33B415

square

#1582B4 #9715B4 #B44715 #33B415

split-complementary

#1582B4 #B41533 #B49715

monochromatic

#083346 #0F5A7D #1582B4 #21A7E5 #58BDEC

Accessibility & contrast

On white

4.30

#1582B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#1582B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1582B4

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1582B4	#FFFFFF	#000000	##000000
##1582B4	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6982B6

Deuteranopia (green-blind)

#5574B3

Tritanopia (blue-blind)

#008F93

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #1582b4;
/* rgb */ color: rgb(21, 130, 180);
/* oklch */ color: oklch(57.4% 0.118 235.7);

Tailwind

colors: {
  custom: {
    50: '#73a6ca',
    500: '#1582b4',
    950: '#000000',
  },
}

SCSS

$custom: #1582b4;
$custom-light: #73a6ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1582b4",
  "rgb": {
    "r": 21,
    "g": 130,
    "b": 180
  },
  "hsl": {
    "h": 198.868,
    "s": 79.104,
    "l": 39.412
  },
  "oklch": {
    "l": 0.5741,
    "c": 0.11751,
    "h": 235.7
  },
  "luminance": 0.1942
}

Semantic roles & 50–950 ramp

primary

#1582B4

secondary

#CF7C56

accent

#7032F6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #1582B4

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

Preview Lab → · Contrast checker → · Palette generator →