#1B485C#1B485C

#1B485C is a dark, muted cyan. Relative luminance 0.056; OKLCH L 38.0% C 0.059 H 230.4°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#1B485C
RGB	rgb(27, 72, 92)
HSL	hsl(198, 55%, 23%)
HSV	hsv(198, 71%, 36%)
CMYK	cmyk(70.7%, 21.7%, 0%, 63.9%)
CIE-LAB	lab(28.49, -8.22, -16.35)
CIE-LCH	lch(28.49, 18.30, 243.31°)
OKLab	oklab(38% -0.0379 -0.0458)
OKLCH	oklch(38% 0.059 230.4)
XYZ	xyz(4.7004, 5.6400, 10.9640)
Luminance	0.0564 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B485C #5C2F1B

analogous

#1B5C4F #1B485C #1B275C

triadic

#1B485C #5C1B48 #485C1B

tetradic

#1B485C #4F1B5C #5C2F1B #275C1B

square

#1B485C #4F1B5C #5C2F1B #275C1B

split-complementary

#1B485C #5C1B27 #5C4F1B

monochromatic

#071318 #0D232D #1B485C #296D8B #3792BB

Accessibility & contrast

On white

9.87

#1B485C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#1B485C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B485C

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B485C	#FFFFFF	#000000	##FFFFFF
##1B485C	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E475D

Deuteranopia (green-blind)

#35405C

Tritanopia (blue-blind)

#004E4F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1b485c;
/* rgb */ color: rgb(27, 72, 92);
/* oklch */ color: oklch(38.0% 0.059 230.4);

Tailwind

colors: {
  custom: {
    50: '#607b8a',
    500: '#1b485c',
    950: '#000000',
  },
}

SCSS

$custom: #1b485c;
$custom-light: #607b8a;
$custom-dark: #000000;

JSON

{
  "hex": "#1b485c",
  "rgb": {
    "r": 27,
    "g": 72,
    "b": 92
  },
  "hsl": {
    "h": 198.462,
    "s": 54.622,
    "l": 23.333
  },
  "oklch": {
    "l": 0.38,
    "c": 0.05942,
    "h": 230.4
  },
  "luminance": 0.0564
}

Semantic roles & 50–950 ramp

primary

#1B485C

secondary

#925A41

accent

#774ADE

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05090B

muted

#797B7C

Preview Lab

Preview with #1B485C

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

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