#1B4E6B#1B4E6B

#1B4E6B is a dark, moderate cyan. Relative luminance 0.067; OKLCH L 40.4% C 0.072 H 237.5°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E6B
RGB	rgb(27, 78, 107)
HSL	hsl(202, 60%, 26%)
HSV	hsv(202, 75%, 42%)
CMYK	cmyk(74.8%, 27.1%, 0%, 58%)
CIE-LAB	lab(31.21, -6.33, -21.66)
CIE-LCH	lch(31.21, 22.57, 253.71°)
OKLab	oklab(40.41% -0.0389 -0.061)
OKLCH	oklch(40.41% 0.072 237.5)
XYZ	xyz(5.8292, 6.7427, 14.9013)
Luminance	0.0674 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4E6B #6B381B

analogous

#1B6B60 #1B4E6B #1B266B

triadic

#1B4E6B #6B1B4E #4E6B1B

tetradic

#1B4E6B #601B6B #6B381B #266B1B

square

#1B4E6B #601B6B #6B381B #266B1B

split-complementary

#1B4E6B #6B1B26 #6B601B

monochromatic

#061218 #0F2A3A #1B4E6B #27729C #3595CC

Accessibility & contrast

On white

8.94

#1B4E6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#1B4E6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E6B

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E6B	#FFFFFF	#000000	##FFFFFF
##1B4E6B	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404E6C

Deuteranopia (green-blind)

#35466B

Tritanopia (blue-blind)

#005558

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1b4e6b;
/* rgb */ color: rgb(27, 78, 107);
/* oklch */ color: oklch(40.4% 0.072 237.5);

Tailwind

colors: {
  custom: {
    50: '#637f95',
    500: '#1b4e6b',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e6b;
$custom-light: #637f95;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e6b",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 107
  },
  "hsl": {
    "h": 201.75,
    "s": 59.701,
    "l": 26.275
  },
  "oklch": {
    "l": 0.40407,
    "c": 0.07236,
    "h": 237.5
  },
  "luminance": 0.06743
}

Semantic roles & 50–950 ramp

primary

#1B4E6B

secondary

#A06442

accent

#7E45E3

background

#F6F7F9

surface

#EBEEF1

border

#C6C9CB

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1B4E6B

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

Preview Lab → · Contrast checker → · Palette generator →