#1B506E#1B506E

#1B506E is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.1% C 0.074 H 237.5°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#1B506E
RGB	rgb(27, 80, 110)
HSL	hsl(202, 61%, 27%)
HSV	hsv(202, 75%, 43%)
CMYK	cmyk(75.5%, 27.3%, 0%, 56.9%)
CIE-LAB	lab(32.02, -6.44, -22.29)
CIE-LCH	lch(32.02, 23.20, 253.89°)
OKLab	oklab(41.1% -0.04 -0.0628)
OKLCH	oklch(41.1% 0.074 237.5)
XYZ	xyz(6.1340, 7.0954, 15.7951)
Luminance	0.0710 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B506E #6E391B

analogous

#1B6E63 #1B506E #1B266E

triadic

#1B506E #6E1B50 #506E1B

tetradic

#1B506E #631B6E #6E391B #266E1B

square

#1B506E #631B6E #6E391B #266E1B

split-complementary

#1B506E #6E1B26 #6E631B

monochromatic

#061219 #0F2C3D #1B506E #27749F #3697CE

Accessibility & contrast

On white

8.68

#1B506E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#1B506E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B506E

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B506E	#FFFFFF	#000000	##FFFFFF
##1B506E	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42506F

Deuteranopia (green-blind)

#36486D

Tritanopia (blue-blind)

#00585A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1b506e;
/* rgb */ color: rgb(27, 80, 110);
/* oklch */ color: oklch(41.1% 0.074 237.5);

Tailwind

colors: {
  custom: {
    50: '#648197',
    500: '#1b506e',
    950: '#000000',
  },
}

SCSS

$custom: #1b506e;
$custom-light: #648197;
$custom-dark: #000000;

JSON

{
  "hex": "#1b506e",
  "rgb": {
    "r": 27,
    "g": 80,
    "b": 110
  },
  "hsl": {
    "h": 201.687,
    "s": 60.584,
    "l": 26.863
  },
  "oklch": {
    "l": 0.41099,
    "c": 0.07445,
    "h": 237.5
  },
  "luminance": 0.07096
}

Semantic roles & 50–950 ramp

primary

#1B506E

secondary

#A36542

accent

#7E44E4

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1B506E

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

Preview Lab → · Contrast checker → · Palette generator →