#1B5293#1B5293

#1B5293 is a dark, vivid cyan. Relative luminance 0.084; OKLCH L 43.9% C 0.121 H 255.1°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#1B5293
RGB	rgb(27, 82, 147)
HSL	hsl(213, 69%, 34%)
HSV	hsv(213, 82%, 58%)
CMYK	cmyk(81.6%, 44.2%, 0%, 42.4%)
CIE-LAB	lab(34.75, 6.89, -40.82)
CIE-LCH	lch(34.75, 41.39, 279.57°)
OKLab	oklab(43.92% -0.0311 -0.1169)
OKLCH	oklch(43.92% 0.121 255.1)
XYZ	xyz(8.7338, 8.3731, 28.7540)
Luminance	0.0837 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5293 #935C1B

analogous

#1B8E93 #1B5293 #201B93

triadic

#1B5293 #931B52 #52931B

tetradic

#1B5293 #931B8E #935C1B #1B9320

square

#1B5293 #931B8E #935C1B #1B9320

split-complementary

#1B5293 #93201B #8E931B

monochromatic

#08182C #12355F #1B5293 #246FC7 #4B8EDE

Accessibility & contrast

On white

7.85

#1B5293 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#1B5293 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5293

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5293	#FFFFFF	#000000	##FFFFFF
##1B5293	1.00	7.85	2.67	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315896

Deuteranopia (green-blind)

#1A4D92

Tritanopia (blue-blind)

#00616B

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1b5293;
/* rgb */ color: rgb(27, 82, 147);
/* oklch */ color: oklch(43.9% 0.121 255.1);

Tailwind

colors: {
  custom: {
    50: '#6c82b3',
    500: '#1b5293',
    950: '#000000',
  },
}

SCSS

$custom: #1b5293;
$custom-light: #6c82b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5293",
  "rgb": {
    "r": 27,
    "g": 82,
    "b": 147
  },
  "hsl": {
    "h": 212.5,
    "s": 68.966,
    "l": 34.118
  },
  "oklch": {
    "l": 0.43919,
    "c": 0.12102,
    "h": 255.1
  },
  "luminance": 0.08374
}

Semantic roles & 50–950 ramp

primary

#1B5293

secondary

#C08A4A

accent

#9B3CEC

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1B5293

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

Preview Lab → · Contrast checker → · Palette generator →