#1B5075#1B5075

#1B5075 is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.5% C 0.083 H 243.1°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#1B5075
RGB	rgb(27, 80, 117)
HSL	hsl(205, 63%, 28%)
HSV	hsv(205, 77%, 46%)
CMYK	cmyk(76.9%, 31.6%, 0%, 54.1%)
CIE-LAB	lab(32.38, -3.74, -26.12)
CIE-LCH	lch(32.38, 26.38, 261.85°)
OKLab	oklab(41.5% -0.0375 -0.0739)
OKLCH	oklch(41.5% 0.083 243.1)
XYZ	xyz(6.5303, 7.2539, 17.8822)
Luminance	0.0726 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5075 #75401B

analogous

#1B756D #1B5075 #1B2375

triadic

#1B5075 #751B50 #50751B

tetradic

#1B5075 #6D1B75 #75401B #23751B

square

#1B5075 #6D1B75 #75401B #23751B

split-complementary

#1B5075 #751B23 #756D1B

monochromatic

#061119 #102E43 #1B5075 #2672A7 #3993D1

Accessibility & contrast

On white

8.57

#1B5075 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#1B5075 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5075

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5075	#FFFFFF	#000000	##FFFFFF
##1B5075	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F5177

Deuteranopia (green-blind)

#334874

Tritanopia (blue-blind)

#00595D

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1b5075;
/* rgb */ color: rgb(27, 80, 117);
/* oklch */ color: oklch(41.5% 0.083 243.1);

Tailwind

colors: {
  custom: {
    50: '#65809d',
    500: '#1b5075',
    950: '#000000',
  },
}

SCSS

$custom: #1b5075;
$custom-light: #65809d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5075",
  "rgb": {
    "r": 27,
    "g": 80,
    "b": 117
  },
  "hsl": {
    "h": 204.667,
    "s": 62.5,
    "l": 28.235
  },
  "oklch": {
    "l": 0.41497,
    "c": 0.08289,
    "h": 243.1
  },
  "luminance": 0.07255
}

Semantic roles & 50–950 ramp

primary

#1B5075

secondary

#A96D42

accent

#8542E6

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1B5075

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

Preview Lab → · Contrast checker → · Palette generator →