#1B5091#1B5091

#1B5091 is a dark, vivid cyan. Relative luminance 0.080; OKLCH L 43.3% C 0.121 H 255.7°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#1B5091
RGB	rgb(27, 80, 145)
HSL	hsl(213, 69%, 34%)
HSV	hsv(213, 81%, 57%)
CMYK	cmyk(81.4%, 44.8%, 0%, 43.1%)
CIE-LAB	lab(34.01, 7.41, -40.78)
CIE-LCH	lch(34.01, 41.45, 280.30°)
OKLab	oklab(43.31% -0.0298 -0.1169)
OKLCH	oklch(43.31% 0.121 255.7)
XYZ	xyz(8.4296, 8.0137, 27.8851)
Luminance	0.0801 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5091 #915C1B

analogous

#1B8B91 #1B5091 #211B91

triadic

#1B5091 #911B50 #50911B

tetradic

#1B5091 #911B8B #915C1B #1B9121

square

#1B5091 #911B8B #915C1B #1B9121

split-complementary

#1B5091 #91211B #8B911B

monochromatic

#08172A #11345D #1B5091 #256CC5 #498CDD

Accessibility & contrast

On white

8.07

#1B5091 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#1B5091 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5091

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5091	#FFFFFF	#000000	##FFFFFF
##1B5091	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5694

Deuteranopia (green-blind)

#174B90

Tritanopia (blue-blind)

#005F69

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1b5091;
/* rgb */ color: rgb(27, 80, 145);
/* oklch */ color: oklch(43.3% 0.121 255.7);

Tailwind

colors: {
  custom: {
    50: '#6b80b2',
    500: '#1b5091',
    950: '#000000',
  },
}

SCSS

$custom: #1b5091;
$custom-light: #6b80b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5091",
  "rgb": {
    "r": 27,
    "g": 80,
    "b": 145
  },
  "hsl": {
    "h": 213.051,
    "s": 68.605,
    "l": 33.725
  },
  "oklch": {
    "l": 0.43307,
    "c": 0.12063,
    "h": 255.7
  },
  "luminance": 0.08015
}

Semantic roles & 50–950 ramp

primary

#1B5091

secondary

#BF8A49

accent

#9D3CEB

background

#F6F7FB

surface

#ECEEF6

border

#C7C9D0

text

#080A11

muted

#7A7C80

Preview Lab

Preview with #1B5091

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

Preview Lab → · Contrast checker → · Palette generator →