#1B508C#1B508C

#1B508C is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 43.0% C 0.114 H 254.2°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#1B508C
RGB	rgb(27, 80, 140)
HSL	hsl(212, 68%, 33%)
HSV	hsv(212, 81%, 55%)
CMYK	cmyk(80.7%, 42.9%, 0%, 45.1%)
CIE-LAB	lab(33.70, 5.40, -38.24)
CIE-LCH	lch(33.70, 38.62, 278.03°)
OKLab	oklab(42.96% -0.0309 -0.1094)
OKLCH	oklch(42.96% 0.114 254.2)
XYZ	xyz(8.0525, 7.8628, 25.8991)
Luminance	0.0786 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B508C #8C571B

analogous

#1B898C #1B508C #1E1B8C

triadic

#1B508C #8C1B50 #508C1B

tetradic

#1B508C #8C1B89 #8C571B #1B8C1E

square

#1B508C #8C1B89 #8C571B #1B8C1E

split-complementary

#1B508C #8C1E1B #898C1B

monochromatic

#071525 #113359 #1B508C #256DBF #468CDB

Accessibility & contrast

On white

8.16

#1B508C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#1B508C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B508C

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B508C	#FFFFFF	#000000	##FFFFFF
##1B508C	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#32558E

Deuteranopia (green-blind)

#1E4B8B

Tritanopia (blue-blind)

#005E67

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1b508c;
/* rgb */ color: rgb(27, 80, 140);
/* oklch */ color: oklch(43.0% 0.114 254.2);

Tailwind

colors: {
  custom: {
    50: '#6a80ae',
    500: '#1b508c',
    950: '#000000',
  },
}

SCSS

$custom: #1b508c;
$custom-light: #6a80ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1b508c",
  "rgb": {
    "r": 27,
    "g": 80,
    "b": 140
  },
  "hsl": {
    "h": 211.858,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.42959,
    "c": 0.1137,
    "h": 254.2
  },
  "luminance": 0.07864
}

Semantic roles & 50–950 ramp

primary

#1B508C

secondary

#BD8546

accent

#993DEB

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1B508C

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

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