#1B496B#1B496B

#1B496B is a dark, moderate cyan. Relative luminance 0.061; OKLCH L 39.1% C 0.076 H 244.1°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#1B496B
RGB	rgb(27, 73, 107)
HSL	hsl(206, 60%, 26%)
HSV	hsv(206, 75%, 42%)
CMYK	cmyk(74.8%, 31.8%, 0%, 58%)
CIE-LAB	lab(29.56, -3.14, -24.25)
CIE-LCH	lch(29.56, 24.45, 262.63°)
OKLab	oklab(39.1% -0.0334 -0.0686)
OKLCH	oklch(39.1% 0.076 244.1)
XYZ	xyz(5.4874, 6.0590, 14.7874)
Luminance	0.0606 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B496B #6B3D1B

analogous

#1B6B65 #1B496B #1B216B

triadic

#1B496B #6B1B49 #496B1B

tetradic

#1B496B #651B6B #6B3D1B #216B1B

square

#1B496B #651B6B #6B3D1B #216B1B

split-complementary

#1B496B #6B1B21 #6B651B

monochromatic

#061118 #0F283A #1B496B #276A9C #358CCC

Accessibility & contrast

On white

9.49

#1B496B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#1B496B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B496B

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B496B	#FFFFFF	#000000	##FFFFFF
##1B496B	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A4A6C

Deuteranopia (green-blind)

#2E426A

Tritanopia (blue-blind)

#005155

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1b496b;
/* rgb */ color: rgb(27, 73, 107);
/* oklch */ color: oklch(39.1% 0.076 244.1);

Tailwind

colors: {
  custom: {
    50: '#637b95',
    500: '#1b496b',
    950: '#000000',
  },
}

SCSS

$custom: #1b496b;
$custom-light: #637b95;
$custom-dark: #000000;

JSON

{
  "hex": "#1b496b",
  "rgb": {
    "r": 27,
    "g": 73,
    "b": 107
  },
  "hsl": {
    "h": 205.5,
    "s": 59.701,
    "l": 26.275
  },
  "oklch": {
    "l": 0.39098,
    "c": 0.07627,
    "h": 244.1
  },
  "luminance": 0.0606
}

Semantic roles & 50–950 ramp

primary

#1B496B

secondary

#A06A42

accent

#8845E3

background

#F6F7F9

surface

#EBEDF1

border

#C6C8CB

text

#06090D

muted

#7A7B7E

Preview Lab

Preview with #1B496B

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

Preview Lab → · Contrast checker → · Palette generator →