#1B607B#1B607B

#1B607B is a mid, moderate cyan. Relative luminance 0.100; OKLCH L 46.0% C 0.079 H 228.8°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#1B607B
RGB	rgb(27, 96, 123)
HSL	hsl(197, 64%, 29%)
HSV	hsv(197, 78%, 48%)
CMYK	cmyk(78%, 22%, 0%, 51.8%)
CIE-LAB	lab(37.89, -11.28, -21.22)
CIE-LCH	lch(37.89, 24.03, 242.00°)
OKLab	oklab(45.98% -0.0521 -0.0596)
OKLCH	oklch(45.98% 0.079 228.8)
XYZ	xyz(8.2086, 10.0278, 20.2380)
Luminance	0.1003 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B607B #7B361B

analogous

#1B7B66 #1B607B #1B307B

triadic

#1B607B #7B1B60 #607B1B

tetradic

#1B607B #661B7B #7B361B #307B1B

square

#1B607B #661B7B #7B361B #307B1B

split-complementary

#1B607B #7B1B30 #7B661B

monochromatic

#061419 #103949 #1B607B #2687AD #3CA9D4

Accessibility & contrast

On white

6.99

#1B607B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#1B607B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B607B

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B607B	#FFFFFF	#000000	##FFFFFF
##1B607B	1.00	6.99	3.01	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#525E7C

Deuteranopia (green-blind)

#45557B

Tritanopia (blue-blind)

#006869

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1b607b;
/* rgb */ color: rgb(27, 96, 123);
/* oklch */ color: oklch(46.0% 0.079 228.8);

Tailwind

colors: {
  custom: {
    50: '#678da1',
    500: '#1b607b',
    950: '#000000',
  },
}

SCSS

$custom: #1b607b;
$custom-light: #678da1;
$custom-dark: #000000;

JSON

{
  "hex": "#1b607b",
  "rgb": {
    "r": 27,
    "g": 96,
    "b": 123
  },
  "hsl": {
    "h": 196.875,
    "s": 64,
    "l": 29.412
  },
  "oklch": {
    "l": 0.45977,
    "c": 0.07919,
    "h": 228.8
  },
  "luminance": 0.10029
}

Semantic roles & 50–950 ramp

primary

#1B607B

secondary

#AF6143

accent

#7041E7

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0F

muted

#7A7D7E

Preview Lab

Preview with #1B607B

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

Preview Lab → · Contrast checker → · Palette generator →