#1B4E69#1B4E69

#1B4E69 is a dark, moderate cyan. Relative luminance 0.067; OKLCH L 40.3% C 0.070 H 235.6°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E69
RGB	rgb(27, 78, 105)
HSL	hsl(201, 59%, 26%)
HSV	hsv(201, 74%, 41%)
CMYK	cmyk(74.3%, 25.7%, 0%, 58.8%)
CIE-LAB	lab(31.12, -7.09, -20.55)
CIE-LCH	lch(31.12, 21.74, 250.97°)
OKLab	oklab(40.3% -0.0396 -0.0578)
OKLCH	oklch(40.3% 0.07 235.6)
XYZ	xyz(5.7252, 6.7011, 14.3536)
Luminance	0.0670 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4E69 #69361B

analogous

#1B695D #1B4E69 #1B2769

triadic

#1B4E69 #691B4E #4E691B

tetradic

#1B4E69 #5D1B69 #69361B #27691B

square

#1B4E69 #5D1B69 #69361B #27691B

split-complementary

#1B4E69 #691B27 #695D1B

monochromatic

#061218 #0E2A38 #1B4E69 #28729A #3496CA

Accessibility & contrast

On white

8.97

#1B4E69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#1B4E69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E69

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E69	#FFFFFF	#000000	##FFFFFF
##1B4E69	1.00	8.97	2.34	8.97
#FFFFFF	8.97	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#414D6A

Deuteranopia (green-blind)

#364669

Tritanopia (blue-blind)

#005557

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1b4e69;
/* rgb */ color: rgb(27, 78, 105);
/* oklch */ color: oklch(40.3% 0.070 235.6);

Tailwind

colors: {
  custom: {
    50: '#637f94',
    500: '#1b4e69',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e69;
$custom-light: #637f94;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e69",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 105
  },
  "hsl": {
    "h": 200.769,
    "s": 59.091,
    "l": 25.882
  },
  "oklch": {
    "l": 0.40298,
    "c": 0.0701,
    "h": 235.6
  },
  "luminance": 0.06702
}

Semantic roles & 50–950 ramp

primary

#1B4E69

secondary

#9E6242

accent

#7C46E2

background

#F6F7F9

surface

#EBEEF1

border

#C6C9CB

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1B4E69

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

Preview Lab → · Contrast checker → · Palette generator →