#1B586E#1B586E

#1B586E is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.2% C 0.070 H 226.2°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#1B586E
RGB	rgb(27, 88, 110)
HSL	hsl(196, 61%, 27%)
HSV	hsv(196, 75%, 43%)
CMYK	cmyk(75.5%, 20%, 0%, 56.9%)
CIE-LAB	lab(34.68, -11.32, -18.17)
CIE-LCH	lch(34.68, 21.41, 238.07°)
OKLab	oklab(43.21% -0.0488 -0.0509)
OKLCH	oklch(43.21% 0.07 226.2)
XYZ	xyz(6.7550, 8.3375, 16.0021)
Luminance	0.0834 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B586E #6E311B

analogous

#1B6E5B #1B586E #1B2E6E

triadic

#1B586E #6E1B58 #586E1B

tetradic

#1B586E #5B1B6E #6E311B #2E6E1B

square

#1B586E #5B1B6E #6E311B #2E6E1B

split-complementary

#1B586E #6E1B2E #6E5B1B

monochromatic

#061419 #0F313D #1B586E #277F9F #36A5CE

Accessibility & contrast

On white

7.87

#1B586E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#1B586E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B586E

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B586E	#FFFFFF	#000000	##FFFFFF
##1B586E	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C566F

Deuteranopia (green-blind)

#414E6E

Tritanopia (blue-blind)

#005E5F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1b586e;
/* rgb */ color: rgb(27, 88, 110);
/* oklch */ color: oklch(43.2% 0.070 226.2);

Tailwind

colors: {
  custom: {
    50: '#648797',
    500: '#1b586e',
    950: '#000000',
  },
}

SCSS

$custom: #1b586e;
$custom-light: #648797;
$custom-dark: #000000;

JSON

{
  "hex": "#1b586e",
  "rgb": {
    "r": 27,
    "g": 88,
    "b": 110
  },
  "hsl": {
    "h": 195.904,
    "s": 60.584,
    "l": 26.863
  },
  "oklch": {
    "l": 0.43214,
    "c": 0.07049,
    "h": 226.2
  },
  "luminance": 0.08338
}

Semantic roles & 50–950 ramp

primary

#1B586E

secondary

#A35C42

accent

#6E44E4

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #1B586E

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

Preview Lab → · Contrast checker → · Palette generator →