#1B5E8D#1B5E8D

#1B5E8D is a mid, moderate cyan. Relative luminance 0.102; OKLCH L 46.5% C 0.100 H 244.2°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#1B5E8D
RGB	rgb(27, 94, 141)
HSL	hsl(205, 68%, 33%)
HSV	hsv(205, 81%, 55%)
CMYK	cmyk(80.9%, 33.3%, 0%, 44.7%)
CIE-LAB	lab(38.13, -3.24, -31.81)
CIE-LCH	lch(38.13, 31.97, 264.19°)
OKLab	oklab(46.45% -0.0437 -0.0903)
OKLCH	oklch(46.45% 0.1 244.2)
XYZ	xyz(9.2605, 10.1604, 26.6672)
Luminance	0.1016 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5E8D #8D4A1B

analogous

#1B8D83 #1B5E8D #1B258D

triadic

#1B5E8D #8D1B5E #5E8D1B

tetradic

#1B5E8D #831B8D #8D4A1B #258D1B

square

#1B5E8D #831B8D #8D4A1B #258D1B

split-complementary

#1B5E8D #8D1B25 #8D831B

monochromatic

#071A26 #113C5A #1B5E8D #2580C0 #479EDC

Accessibility & contrast

On white

6.93

#1B5E8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#1B5E8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B5E8D

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5E8D	#FFFFFF	#000000	##FFFFFF
##1B5E8D	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#485F8F

Deuteranopia (green-blind)

#38558C

Tritanopia (blue-blind)

#00696F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1b5e8d;
/* rgb */ color: rgb(27, 94, 141);
/* oklch */ color: oklch(46.5% 0.100 244.2);

Tailwind

colors: {
  custom: {
    50: '#6a8bae',
    500: '#1b5e8d',
    950: '#000000',
  },
}

SCSS

$custom: #1b5e8d;
$custom-light: #6a8bae;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5e8d",
  "rgb": {
    "r": 27,
    "g": 94,
    "b": 141
  },
  "hsl": {
    "h": 204.737,
    "s": 67.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.46454,
    "c": 0.10034,
    "h": 244.2
  },
  "luminance": 0.10162
}

Semantic roles & 50–950 ramp

primary

#1B5E8D

secondary

#BD7746

accent

#853DEB

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1B5E8D

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

Preview Lab → · Contrast checker → · Palette generator →