#1B4E6D#1B4E6D

#1B4E6D is a dark, moderate cyan. Relative luminance 0.068; OKLCH L 40.5% C 0.075 H 239.3°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E6D
RGB	rgb(27, 78, 109)
HSL	hsl(203, 60%, 27%)
HSV	hsv(203, 75%, 43%)
CMYK	cmyk(75.2%, 28.4%, 0%, 57.3%)
CIE-LAB	lab(31.31, -5.56, -22.77)
CIE-LCH	lch(31.31, 23.44, 256.27°)
OKLab	oklab(40.52% -0.0381 -0.0642)
OKLCH	oklch(40.52% 0.075 239.3)
XYZ	xyz(5.9356, 6.7853, 15.4619)
Luminance	0.0679 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4E6D #6D3A1B

analogous

#1B6D63 #1B4E6D #1B256D

triadic

#1B4E6D #6D1B4E #4E6D1B

tetradic

#1B4E6D #631B6D #6D3A1B #256D1B

square

#1B4E6D #631B6D #6D3A1B #256D1B

split-complementary

#1B4E6D #6D1B25 #6D631B

monochromatic

#061219 #0F2B3C #1B4E6D #27719E #3594CD

Accessibility & contrast

On white

8.91

#1B4E6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#1B4E6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E6D

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E6D	#FFFFFF	#000000	##FFFFFF
##1B4E6D	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404E6E

Deuteranopia (green-blind)

#34466C

Tritanopia (blue-blind)

#005659

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1b4e6d;
/* rgb */ color: rgb(27, 78, 109);
/* oklch */ color: oklch(40.5% 0.075 239.3);

Tailwind

colors: {
  custom: {
    50: '#637f97',
    500: '#1b4e6d',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e6d;
$custom-light: #637f97;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e6d",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 109
  },
  "hsl": {
    "h": 202.683,
    "s": 60.294,
    "l": 26.667
  },
  "oklch": {
    "l": 0.40519,
    "c": 0.0747,
    "h": 239.3
  },
  "luminance": 0.06786
}

Semantic roles & 50–950 ramp

primary

#1B4E6D

secondary

#A26642

accent

#8144E3

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1B4E6D

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

Preview Lab → · Contrast checker → · Palette generator →