#1B4885#1B4885

#1B4885 is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 40.6% C 0.113 H 257.1°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#1B4885
RGB	rgb(27, 72, 133)
HSL	hsl(215, 66%, 31%)
HSV	hsv(215, 80%, 52%)
CMYK	cmyk(79.7%, 45.9%, 0%, 47.8%)
CIE-LAB	lab(30.78, 7.94, -38.59)
CIE-LCH	lch(30.78, 39.40, 281.63°)
OKLab	oklab(40.56% -0.0253 -0.1106)
OKLCH	oklch(40.56% 0.113 257.1)
XYZ	xyz(7.0014, 6.5604, 23.0830)
Luminance	0.0656 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4885 #85581B

analogous

#1B7D85 #1B4885 #231B85

triadic

#1B4885 #851B48 #48851B

tetradic

#1B4885 #851B7D #85581B #1B8523

square

#1B4885 #851B7D #85581B #1B8523

split-complementary

#1B4885 #85231B #7D851B

monochromatic

#06111F #112C52 #1B4885 #2564B8 #4282D9

Accessibility & contrast

On white

9.08

#1B4885 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#1B4885 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4885

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4885	#FFFFFF	#000000	##FFFFFF
##1B4885	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#294E87

Deuteranopia (green-blind)

#134484

Tritanopia (blue-blind)

#005660

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1b4885;
/* rgb */ color: rgb(27, 72, 133);
/* oklch */ color: oklch(40.6% 0.113 257.1);

Tailwind

colors: {
  custom: {
    50: '#687aa9',
    500: '#1b4885',
    950: '#000000',
  },
}

SCSS

$custom: #1b4885;
$custom-light: #687aa9;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4885",
  "rgb": {
    "r": 27,
    "g": 72,
    "b": 133
  },
  "hsl": {
    "h": 214.528,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40556,
    "c": 0.11346,
    "h": 257.1
  },
  "luminance": 0.06561
}

Semantic roles & 50–950 ramp

primary

#1B4885

secondary

#B88744

accent

#A13FE9

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #1B4885

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

Preview Lab → · Contrast checker → · Palette generator →