#1B485D#1B485D

#1B485D is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.1% C 0.060 H 231.7°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#1B485D
RGB	rgb(27, 72, 93)
HSL	hsl(199, 55%, 24%)
HSV	hsv(199, 71%, 36%)
CMYK	cmyk(71%, 22.6%, 0%, 63.5%)
CIE-LAB	lab(28.53, -7.85, -16.92)
CIE-LCH	lch(28.53, 18.65, 245.12°)
OKLab	oklab(38.05% -0.0375 -0.0474)
OKLCH	oklch(38.05% 0.06 231.7)
XYZ	xyz(4.7444, 5.6576, 11.1958)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B485D #5D301B

analogous

#1B5D51 #1B485D #1B275D

triadic

#1B485D #5D1B48 #485D1B

tetradic

#1B485D #511B5D #5D301B #275D1B

square

#1B485D #511B5D #5D301B #275D1B

split-complementary

#1B485D #5D1B27 #5D511B

monochromatic

#071218 #0D232E #1B485D #296D8C #3791BC

Accessibility & contrast

On white

9.85

#1B485D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#1B485D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B485D

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B485D	#FFFFFF	#000000	##FFFFFF
##1B485D	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E475E

Deuteranopia (green-blind)

#34405D

Tritanopia (blue-blind)

#004E4F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1b485d;
/* rgb */ color: rgb(27, 72, 93);
/* oklch */ color: oklch(38.1% 0.060 231.7);

Tailwind

colors: {
  custom: {
    50: '#607b8b',
    500: '#1b485d',
    950: '#000000',
  },
}

SCSS

$custom: #1b485d;
$custom-light: #607b8b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b485d",
  "rgb": {
    "r": 27,
    "g": 72,
    "b": 93
  },
  "hsl": {
    "h": 199.091,
    "s": 55,
    "l": 23.529
  },
  "oklch": {
    "l": 0.38053,
    "c": 0.06044,
    "h": 231.7
  },
  "luminance": 0.05658
}

Semantic roles & 50–950 ramp

primary

#1B485D

secondary

#935B41

accent

#7949DE

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05090C

muted

#797B7D

Preview Lab

Preview with #1B485D

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

Preview Lab → · Contrast checker → · Palette generator →