#1B6582#1B6582

#1B6582 is a mid, moderate cyan. Relative luminance 0.112; OKLCH L 47.6% C 0.084 H 229.2°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#1B6582
RGB	rgb(27, 101, 130)
HSL	hsl(197, 66%, 31%)
HSV	hsv(197, 79%, 51%)
CMYK	cmyk(79.2%, 22.3%, 0%, 49%)
CIE-LAB	lab(39.83, -11.65, -22.48)
CIE-LCH	lch(39.83, 25.31, 242.61°)
OKLab	oklab(47.63% -0.0546 -0.0632)
OKLCH	oklch(47.63% 0.084 229.2)
XYZ	xyz(9.1333, 11.1510, 22.7858)
Luminance	0.1115 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B6582 #82381B

analogous

#1B826B #1B6582 #1B3182

triadic

#1B6582 #821B65 #65821B

tetradic

#1B6582 #6B1B82 #82381B #31821B

square

#1B6582 #6B1B82 #82381B #31821B

split-complementary

#1B6582 #821B31 #826B1B

monochromatic

#06161D #103E4F #1B6582 #268CB5 #40ADD7

Accessibility & contrast

On white

6.50

#1B6582 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#1B6582 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6582

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B6582	#FFFFFF	#000000	##FFFFFF
##1B6582	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#566383

Deuteranopia (green-blind)

#485A82

Tritanopia (blue-blind)

#006D6F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #1b6582;
/* rgb */ color: rgb(27, 101, 130);
/* oklch */ color: oklch(47.6% 0.084 229.2);

Tailwind

colors: {
  custom: {
    50: '#6991a6',
    500: '#1b6582',
    950: '#000000',
  },
}

SCSS

$custom: #1b6582;
$custom-light: #6991a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1b6582",
  "rgb": {
    "r": 27,
    "g": 101,
    "b": 130
  },
  "hsl": {
    "h": 196.893,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.47633,
    "c": 0.0835,
    "h": 229.2
  },
  "luminance": 0.11152
}

Semantic roles & 50–950 ramp

primary

#1B6582

secondary

#B66343

accent

#6F3FE9

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #1B6582

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

Preview Lab → · Contrast checker → · Palette generator →