#1B5296#1B5296

#1B5296 is a dark, vivid cyan. Relative luminance 0.085; OKLCH L 44.1% C 0.125 H 255.9°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#1B5296
RGB	rgb(27, 82, 150)
HSL	hsl(213, 69%, 35%)
HSV	hsv(213, 82%, 59%)
CMYK	cmyk(82%, 45.3%, 0%, 41.2%)
CIE-LAB	lab(34.94, 8.09, -42.33)
CIE-LCH	lch(34.94, 43.10, 280.82°)
OKLab	oklab(44.13% -0.0305 -0.1214)
OKLCH	oklch(44.13% 0.125 255.9)
XYZ	xyz(8.9723, 8.4685, 30.0100)
Luminance	0.0847 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5296 #965F1B

analogous

#1B9096 #1B5296 #221B96

triadic

#1B5296 #961B52 #52961B

tetradic

#1B5296 #961B90 #965F1B #1B9622

square

#1B5296 #961B90 #965F1B #1B9622

split-complementary

#1B5296 #96221B #90961B

monochromatic

#08192E #123662 #1B5296 #246ECA #4D8EDF

Accessibility & contrast

On white

7.80

#1B5296 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#1B5296 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5296

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5296	#FFFFFF	#000000	##FFFFFF
##1B5296	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5899

Deuteranopia (green-blind)

#144D95

Tritanopia (blue-blind)

#00626C

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1b5296;
/* rgb */ color: rgb(27, 82, 150);
/* oklch */ color: oklch(44.1% 0.125 255.9);

Tailwind

colors: {
  custom: {
    50: '#6c82b5',
    500: '#1b5296',
    950: '#000000',
  },
}

SCSS

$custom: #1b5296;
$custom-light: #6c82b5;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5296",
  "rgb": {
    "r": 27,
    "g": 82,
    "b": 150
  },
  "hsl": {
    "h": 213.171,
    "s": 69.492,
    "l": 34.706
  },
  "oklch": {
    "l": 0.4413,
    "c": 0.12516,
    "h": 255.9
  },
  "luminance": 0.0847
}

Semantic roles & 50–950 ramp

primary

#1B5296

secondary

#C18D4C

accent

#9D3BEC

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1B5296

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

Preview Lab → · Contrast checker → · Palette generator →