#1B487A#1B487A

#1B487A is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 39.8% C 0.098 H 253.5°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#1B487A
RGB	rgb(27, 72, 122)
HSL	hsl(212, 64%, 29%)
HSV	hsv(212, 78%, 48%)
CMYK	cmyk(77.9%, 41%, 0%, 52.2%)
CIE-LAB	lab(30.09, 3.49, -32.86)
CIE-LCH	lch(30.09, 33.04, 276.06°)
OKLab	oklab(39.79% -0.0278 -0.0938)
OKLCH	oklch(39.79% 0.098 253.5)
XYZ	xyz(6.2809, 6.2722, 19.2882)
Luminance	0.0627 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B487A #7A4D1B

analogous

#1B787A #1B487A #1E1B7A

triadic

#1B487A #7A1B48 #487A1B

tetradic

#1B487A #7A1B78 #7A4D1B #1B7A1E

square

#1B487A #7A1B78 #7A4D1B #1B7A1E

split-complementary

#1B487A #7A1E1B #787A1B

monochromatic

#060F19 #102A48 #1B487A #2666AC #3C84D4

Accessibility & contrast

On white

9.31

#1B487A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#1B487A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B487A

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B487A	#FFFFFF	#000000	##FFFFFF
##1B487A	1.00	9.31	2.25	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304C7C

Deuteranopia (green-blind)

#214379

Tritanopia (blue-blind)

#00545B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1b487a;
/* rgb */ color: rgb(27, 72, 122);
/* oklch */ color: oklch(39.8% 0.098 253.5);

Tailwind

colors: {
  custom: {
    50: '#667aa1',
    500: '#1b487a',
    950: '#000000',
  },
}

SCSS

$custom: #1b487a;
$custom-light: #667aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#1b487a",
  "rgb": {
    "r": 27,
    "g": 72,
    "b": 122
  },
  "hsl": {
    "h": 211.579,
    "s": 63.758,
    "l": 29.216
  },
  "oklch": {
    "l": 0.39791,
    "c": 0.09781,
    "h": 253.5
  },
  "luminance": 0.06273
}

Semantic roles & 50–950 ramp

primary

#1B487A

secondary

#AE7B43

accent

#9841E7

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06090F

muted

#7A7B7E

Preview Lab

Preview with #1B487A

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

Preview Lab → · Contrast checker → · Palette generator →