#1B5E82#1B5E82

#1B5E82 is a mid, moderate cyan. Relative luminance 0.099; OKLCH L 45.8% C 0.087 H 237.1°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#1B5E82
RGB	rgb(27, 94, 130)
HSL	hsl(201, 66%, 31%)
HSV	hsv(201, 79%, 51%)
CMYK	cmyk(79.2%, 27.7%, 0%, 49%)
CIE-LAB	lab(37.57, -7.46, -26.00)
CIE-LCH	lch(37.57, 27.05, 253.98°)
OKLab	oklab(45.83% -0.0474 -0.0734)
OKLCH	oklch(45.83% 0.087 237.1)
XYZ	xyz(8.4824, 9.8491, 22.5688)
Luminance	0.0985 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5E82 #823F1B

analogous

#1B8272 #1B5E82 #1B2A82

triadic

#1B5E82 #821B5E #5E821B

tetradic

#1B5E82 #721B82 #823F1B #2A821B

square

#1B5E82 #721B82 #823F1B #2A821B

split-complementary

#1B5E82 #821B2A #82721B

monochromatic

#06151D #10394F #1B5E82 #2683B5 #40A2D7

Accessibility & contrast

On white

7.07

#1B5E82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#1B5E82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5E82

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5E82	#FFFFFF	#000000	##FFFFFF
##1B5E82	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D5E84

Deuteranopia (green-blind)

#3F5481

Tritanopia (blue-blind)

#00676A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1b5e82;
/* rgb */ color: rgb(27, 94, 130);
/* oklch */ color: oklch(45.8% 0.087 237.1);

Tailwind

colors: {
  custom: {
    50: '#688ba6',
    500: '#1b5e82',
    950: '#000000',
  },
}

SCSS

$custom: #1b5e82;
$custom-light: #688ba6;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5e82",
  "rgb": {
    "r": 27,
    "g": 94,
    "b": 130
  },
  "hsl": {
    "h": 200.971,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.45828,
    "c": 0.0874,
    "h": 237.1
  },
  "luminance": 0.0985
}

Semantic roles & 50–950 ramp

primary

#1B5E82

secondary

#B66B43

accent

#7A3FE9

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #1B5E82

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

Preview Lab → · Contrast checker → · Palette generator →