#1B5675#1B5675

#1B5675 is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.1% C 0.078 H 236.0°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#1B5675
RGB	rgb(27, 86, 117)
HSL	hsl(201, 63%, 28%)
HSV	hsv(201, 77%, 46%)
CMYK	cmyk(76.9%, 26.5%, 0%, 54.1%)
CIE-LAB	lab(34.34, -7.50, -23.05)
CIE-LCH	lch(34.34, 24.24, 251.97°)
OKLab	oklab(43.05% -0.0438 -0.0649)
OKLCH	oklch(43.05% 0.078 236)
XYZ	xyz(6.9894, 8.1721, 18.0352)
Luminance	0.0817 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5675 #753A1B

analogous

#1B7567 #1B5675 #1B2975

triadic

#1B5675 #751B56 #56751B

tetradic

#1B5675 #671B75 #753A1B #29751B

square

#1B5675 #671B75 #753A1B #29751B

split-complementary

#1B5675 #751B29 #75671B

monochromatic

#061219 #103143 #1B5675 #267BA7 #399DD1

Accessibility & contrast

On white

7.97

#1B5675 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#1B5675 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5675

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5675	#FFFFFF	#000000	##FFFFFF
##1B5675	1.00	7.97	2.63	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#475676

Deuteranopia (green-blind)

#3B4D74

Tritanopia (blue-blind)

#005E61

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1b5675;
/* rgb */ color: rgb(27, 86, 117);
/* oklch */ color: oklch(43.1% 0.078 236.0);

Tailwind

colors: {
  custom: {
    50: '#65859d',
    500: '#1b5675',
    950: '#000000',
  },
}

SCSS

$custom: #1b5675;
$custom-light: #65859d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5675",
  "rgb": {
    "r": 27,
    "g": 86,
    "b": 117
  },
  "hsl": {
    "h": 200.667,
    "s": 62.5,
    "l": 28.235
  },
  "oklch": {
    "l": 0.43052,
    "c": 0.07836,
    "h": 236
  },
  "luminance": 0.08173
}

Semantic roles & 50–950 ramp

primary

#1B5675

secondary

#A96642

accent

#7A42E6

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #1B5675

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

Preview Lab → · Contrast checker → · Palette generator →