#1B6590#1B6590

#1B6590 is a mid, moderate cyan. Relative luminance 0.116; OKLCH L 48.4% C 0.098 H 239.7°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#1B6590
RGB	rgb(27, 101, 144)
HSL	hsl(202, 68%, 34%)
HSV	hsv(202, 81%, 56%)
CMYK	cmyk(81.3%, 29.9%, 0%, 43.5%)
CIE-LAB	lab(40.50, -6.40, -29.89)
CIE-LCH	lch(40.50, 30.57, 257.92°)
OKLab	oklab(48.38% -0.0495 -0.0846)
OKLCH	oklch(48.38% 0.098 239.7)
XYZ	xyz(10.1377, 11.5527, 28.0757)
Luminance	0.1155 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B6590 #90461B

analogous

#1B9080 #1B6590 #1B2B90

triadic

#1B6590 #901B65 #65901B

tetradic

#1B6590 #801B90 #90461B #2B901B

square

#1B6590 #801B90 #90461B #2B901B

split-complementary

#1B6590 #901B2B #90801B

monochromatic

#081D29 #11415C #1B6590 #2589C4 #49A6DD

Accessibility & contrast

On white

6.34

#1B6590 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#1B6590 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6590

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B6590	#FFFFFF	#000000	##FFFFFF
##1B6590	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#516592

Deuteranopia (green-blind)

#415B8F

Tritanopia (blue-blind)

#007074

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #1b6590;
/* rgb */ color: rgb(27, 101, 144);
/* oklch */ color: oklch(48.4% 0.098 239.7);

Tailwind

colors: {
  custom: {
    50: '#6b90b0',
    500: '#1b6590',
    950: '#000000',
  },
}

SCSS

$custom: #1b6590;
$custom-light: #6b90b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1b6590",
  "rgb": {
    "r": 27,
    "g": 101,
    "b": 144
  },
  "hsl": {
    "h": 202.051,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.48379,
    "c": 0.09804,
    "h": 239.7
  },
  "luminance": 0.11554
}

Semantic roles & 50–950 ramp

primary

#1B6590

secondary

#BF7448

accent

#7D3DEB

background

#F6F8FA

surface

#ECF0F5

border

#C7CBCF

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1B6590

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

Preview Lab → · Contrast checker → · Palette generator →