#1B7594#1B7594

#1B7594 is a mid, moderate cyan. Relative luminance 0.151; OKLCH L 52.6% C 0.093 H 226.7°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#1B7594
RGB	rgb(27, 117, 148)
HSL	hsl(195, 69%, 34%)
HSV	hsv(195, 82%, 58%)
CMYK	cmyk(81.8%, 20.9%, 0%, 42%)
CIE-LAB	lab(45.76, -14.29, -24.07)
CIE-LCH	lch(45.76, 27.99, 239.30°)
OKLab	oklab(52.64% -0.0637 -0.0676)
OKLCH	oklch(52.64% 0.093 226.7)
XYZ	xyz(12.1564, 15.0922, 30.2836)
Luminance	0.1509 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7594 #943A1B

analogous

#1B9477 #1B7594 #1B3994

triadic

#1B7594 #941B75 #75941B

tetradic

#1B7594 #771B94 #943A1B #39941B

square

#1B7594 #771B94 #943A1B #39941B

split-complementary

#1B7594 #941B39 #94771B

monochromatic

#08232C #124C60 #1B7594 #249EC8 #4BB9DE

Accessibility & contrast

On white

5.23

#1B7594 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#1B7594 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7594

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7594	#FFFFFF	#000000	##FFFFFF
##1B7594	1.00	5.23	4.02	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#647396

Deuteranopia (green-blind)

#546794

Tritanopia (blue-blind)

#007E7F

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #1b7594;
/* rgb */ color: rgb(27, 117, 148);
/* oklch */ color: oklch(52.6% 0.093 226.7);

Tailwind

colors: {
  custom: {
    50: '#6d9cb3',
    500: '#1b7594',
    950: '#000000',
  },
}

SCSS

$custom: #1b7594;
$custom-light: #6d9cb3;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7594",
  "rgb": {
    "r": 27,
    "g": 117,
    "b": 148
  },
  "hsl": {
    "h": 195.372,
    "s": 69.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.52637,
    "c": 0.09292,
    "h": 226.7
  },
  "luminance": 0.15094
}

Semantic roles & 50–950 ramp

primary

#1B7594

secondary

#C0694B

accent

#693CEC

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#080E11

muted

#7B7E80

Preview Lab

Preview with #1B7594

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

Preview Lab → · Contrast checker → · Palette generator →