#1B496A#1B496A

#1B496A is a dark, moderate cyan. Relative luminance 0.060; OKLCH L 39.0% C 0.075 H 243.3°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#1B496A
RGB	rgb(27, 73, 106)
HSL	hsl(205, 59%, 26%)
HSV	hsv(205, 75%, 42%)
CMYK	cmyk(74.5%, 31.1%, 0%, 58.4%)
CIE-LAB	lab(29.51, -3.53, -23.70)
CIE-LCH	lch(29.51, 23.96, 261.54°)
OKLab	oklab(39.04% -0.0337 -0.067)
OKLCH	oklch(39.04% 0.075 243.3)
XYZ	xyz(5.4351, 6.0381, 14.5119)
Luminance	0.0604 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B496A #6A3C1B

analogous

#1B6A63 #1B496A #1B226A

triadic

#1B496A #6A1B49 #496A1B

tetradic

#1B496A #631B6A #6A3C1B #226A1B

square

#1B496A #631B6A #6A3C1B #226A1B

split-complementary

#1B496A #6A1B22 #6A631B

monochromatic

#061118 #0F2739 #1B496A #276B9B #348CCB

Accessibility & contrast

On white

9.51

#1B496A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#1B496A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B496A

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B496A	#FFFFFF	#000000	##FFFFFF
##1B496A	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A4A6B

Deuteranopia (green-blind)

#2F4269

Tritanopia (blue-blind)

#005155

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1b496a;
/* rgb */ color: rgb(27, 73, 106);
/* oklch */ color: oklch(39.0% 0.075 243.3);

Tailwind

colors: {
  custom: {
    50: '#637b95',
    500: '#1b496a',
    950: '#000000',
  },
}

SCSS

$custom: #1b496a;
$custom-light: #637b95;
$custom-dark: #000000;

JSON

{
  "hex": "#1b496a",
  "rgb": {
    "r": 27,
    "g": 73,
    "b": 106
  },
  "hsl": {
    "h": 205.063,
    "s": 59.398,
    "l": 26.078
  },
  "oklch": {
    "l": 0.39039,
    "c": 0.07498,
    "h": 243.3
  },
  "luminance": 0.06039
}

Semantic roles & 50–950 ramp

primary

#1B496A

secondary

#9F6942

accent

#8745E3

background

#F6F7F9

surface

#EBEDF1

border

#C6C8CB

text

#06090D

muted

#7A7B7E

Preview Lab

Preview with #1B496A

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

Preview Lab → · Contrast checker → · Palette generator →