#1B4E6A#1B4E6A

#1B4E6A is a dark, moderate cyan. Relative luminance 0.067; OKLCH L 40.4% C 0.071 H 236.6°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E6A
RGB	rgb(27, 78, 106)
HSL	hsl(201, 59%, 26%)
HSV	hsv(201, 75%, 42%)
CMYK	cmyk(74.5%, 26.4%, 0%, 58.4%)
CIE-LAB	lab(31.16, -6.71, -21.11)
CIE-LCH	lch(31.16, 22.15, 252.37°)
OKLab	oklab(40.35% -0.0393 -0.0594)
OKLCH	oklch(40.35% 0.071 236.6)
XYZ	xyz(5.7769, 6.7218, 14.6258)
Luminance	0.0672 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4E6A #6A371B

analogous

#1B6A5E #1B4E6A #1B266A

triadic

#1B4E6A #6A1B4E #4E6A1B

tetradic

#1B4E6A #5E1B6A #6A371B #266A1B

square

#1B4E6A #5E1B6A #6A371B #266A1B

split-complementary

#1B4E6A #6A1B26 #6A5E1B

monochromatic

#061218 #0F2A39 #1B4E6A #27729B #3496CB

Accessibility & contrast

On white

8.96

#1B4E6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#1B4E6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E6A

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E6A	#FFFFFF	#000000	##FFFFFF
##1B4E6A	1.00	8.96	2.34	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#414E6B

Deuteranopia (green-blind)

#36466A

Tritanopia (blue-blind)

#005558

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1b4e6a;
/* rgb */ color: rgb(27, 78, 106);
/* oklch */ color: oklch(40.4% 0.071 236.6);

Tailwind

colors: {
  custom: {
    50: '#637f94',
    500: '#1b4e6a',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e6a;
$custom-light: #637f94;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e6a",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 106
  },
  "hsl": {
    "h": 201.266,
    "s": 59.398,
    "l": 26.078
  },
  "oklch": {
    "l": 0.40352,
    "c": 0.07123,
    "h": 236.6
  },
  "luminance": 0.06722
}

Semantic roles & 50–950 ramp

primary

#1B4E6A

secondary

#9F6342

accent

#7D45E3

background

#F6F7F9

surface

#EBEEF1

border

#C6C9CB

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1B4E6A

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

Preview Lab → · Contrast checker → · Palette generator →