#1B4675#1B4675

#1B4675 is a dark, moderate cyan. Relative luminance 0.059; OKLCH L 39.0% C 0.093 H 253.0°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#1B4675
RGB	rgb(27, 70, 117)
HSL	hsl(211, 63%, 28%)
HSV	hsv(211, 77%, 46%)
CMYK	cmyk(76.9%, 40.2%, 0%, 54.1%)
CIE-LAB	lab(29.15, 2.82, -31.22)
CIE-LCH	lch(29.15, 31.34, 275.16°)
OKLab	oklab(38.96% -0.0271 -0.089)
OKLCH	oklch(38.96% 0.093 253)
XYZ	xyz(5.8518, 5.8970, 17.6560)
Luminance	0.0590 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4675 #754A1B

analogous

#1B7375 #1B4675 #1D1B75

triadic

#1B4675 #751B46 #46751B

tetradic

#1B4675 #751B73 #754A1B #1B751D

square

#1B4675 #751B73 #754A1B #1B751D

split-complementary

#1B4675 #751D1B #73751B

monochromatic

#060F19 #102843 #1B4675 #2664A7 #3982D1

Accessibility & contrast

On white

9.63

#1B4675 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#1B4675 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4675

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4675	#FFFFFF	#000000	##FFFFFF
##1B4675	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304977

Deuteranopia (green-blind)

#224174

Tritanopia (blue-blind)

#005158

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1b4675;
/* rgb */ color: rgb(27, 70, 117);
/* oklch */ color: oklch(39.0% 0.093 253.0);

Tailwind

colors: {
  custom: {
    50: '#65799d',
    500: '#1b4675',
    950: '#000000',
  },
}

SCSS

$custom: #1b4675;
$custom-light: #65799d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4675",
  "rgb": {
    "r": 27,
    "g": 70,
    "b": 117
  },
  "hsl": {
    "h": 211.333,
    "s": 62.5,
    "l": 28.235
  },
  "oklch": {
    "l": 0.38961,
    "c": 0.09303,
    "h": 253
  },
  "luminance": 0.05898
}

Semantic roles & 50–950 ramp

primary

#1B4675

secondary

#A97842

accent

#9842E6

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1B4675

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

Preview Lab → · Contrast checker → · Palette generator →