#1B508E#1B508E

#1B508E is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 43.1% C 0.116 H 254.8°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#1B508E
RGB	rgb(27, 80, 142)
HSL	hsl(212, 68%, 33%)
HSV	hsv(212, 81%, 56%)
CMYK	cmyk(81%, 43.7%, 0%, 44.3%)
CIE-LAB	lab(33.82, 6.20, -39.26)
CIE-LCH	lch(33.82, 39.75, 278.98°)
OKLab	oklab(43.1% -0.0305 -0.1124)
OKLCH	oklch(43.1% 0.116 254.8)
XYZ	xyz(8.2013, 7.9223, 26.6829)
Luminance	0.0792 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B508E #8E591B

analogous

#1B898E #1B508E #201B8E

triadic

#1B508E #8E1B50 #508E1B

tetradic

#1B508E #8E1B89 #8E591B #1B8E20

square

#1B508E #8E1B89 #8E591B #1B8E20

split-complementary

#1B508E #8E201B #898E1B

monochromatic

#071627 #11335B #1B508E #256DC1 #478CDC

Accessibility & contrast

On white

8.13

#1B508E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#1B508E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B508E

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B508E	#FFFFFF	#000000	##FFFFFF
##1B508E	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315590

Deuteranopia (green-blind)

#1C4B8D

Tritanopia (blue-blind)

#005F68

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1b508e;
/* rgb */ color: rgb(27, 80, 142);
/* oklch */ color: oklch(43.1% 0.116 254.8);

Tailwind

colors: {
  custom: {
    50: '#6a80af',
    500: '#1b508e',
    950: '#000000',
  },
}

SCSS

$custom: #1b508e;
$custom-light: #6a80af;
$custom-dark: #000000;

JSON

{
  "hex": "#1b508e",
  "rgb": {
    "r": 27,
    "g": 80,
    "b": 142
  },
  "hsl": {
    "h": 212.348,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.43097,
    "c": 0.11647,
    "h": 254.8
  },
  "luminance": 0.07923
}

Semantic roles & 50–950 ramp

primary

#1B508E

secondary

#BE8747

accent

#9B3DEB

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #1B508E

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

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