#1B495C#1B495C

#1B495C is a dark, muted cyan. Relative luminance 0.058; OKLCH L 38.3% C 0.059 H 228.5°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#1B495C
RGB	rgb(27, 73, 92)
HSL	hsl(198, 55%, 23%)
HSV	hsv(198, 71%, 36%)
CMYK	cmyk(70.7%, 20.7%, 0%, 63.9%)
CIE-LAB	lab(28.83, -8.84, -15.82)
CIE-LCH	lch(28.83, 18.13, 240.80°)
OKLab	oklab(38.27% -0.0391 -0.0443)
OKLCH	oklch(38.27% 0.059 228.5)
XYZ	xyz(4.7655, 5.7703, 10.9858)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B495C #5C2E1B

analogous

#1B5C4E #1B495C #1B285C

triadic

#1B495C #5C1B49 #495C1B

tetradic

#1B495C #4E1B5C #5C2E1B #285C1B

square

#1B495C #4E1B5C #5C2E1B #285C1B

split-complementary

#1B495C #5C1B28 #5C4E1B

monochromatic

#071318 #0D232D #1B495C #296F8B #3794BB

Accessibility & contrast

On white

9.75

#1B495C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#1B495C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B495C

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B495C	#FFFFFF	#000000	##FFFFFF
##1B495C	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F485D

Deuteranopia (green-blind)

#36415C

Tritanopia (blue-blind)

#004E4F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1b495c;
/* rgb */ color: rgb(27, 73, 92);
/* oklch */ color: oklch(38.3% 0.059 228.5);

Tailwind

colors: {
  custom: {
    50: '#607b8a',
    500: '#1b495c',
    950: '#000000',
  },
}

SCSS

$custom: #1b495c;
$custom-light: #607b8a;
$custom-dark: #000000;

JSON

{
  "hex": "#1b495c",
  "rgb": {
    "r": 27,
    "g": 73,
    "b": 92
  },
  "hsl": {
    "h": 197.538,
    "s": 54.622,
    "l": 23.333
  },
  "oklch": {
    "l": 0.38272,
    "c": 0.05905,
    "h": 228.5
  },
  "luminance": 0.05771
}

Semantic roles & 50–950 ramp

primary

#1B495C

secondary

#925941

accent

#754ADE

background

#F5F7F8

surface

#EAEEF0

border

#C6C9CB

text

#05090B

muted

#797B7C

Preview Lab

Preview with #1B495C

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

Preview Lab → · Contrast checker → · Palette generator →