#1B4E7E#1B4E7E

#1B4E7E is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.5% C 0.097 H 250.3°. Best body text is #FFFFFF at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E7E
RGB	rgb(27, 78, 126)
HSL	hsl(209, 65%, 30%)
HSV	hsv(209, 79%, 49%)
CMYK	cmyk(78.6%, 38.1%, 0%, 50.6%)
CIE-LAB	lab(32.23, 1.11, -31.95)
CIE-LCH	lch(32.23, 31.97, 271.98°)
OKLab	oklab(41.54% -0.0326 -0.091)
OKLCH	oklch(41.54% 0.097 250.3)
XYZ	xyz(6.9409, 7.1873, 20.7561)
Luminance	0.0719 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4E7E #7E4B1B

analogous

#1B7E7D #1B4E7E #1B1C7E

triadic

#1B4E7E #7E1B4E #4E7E1B

tetradic

#1B4E7E #7D1B7E #7E4B1B #1C7E1B

square

#1B4E7E #7D1B7E #7E4B1B #1C7E1B

split-complementary

#1B4E7E #7E1B1C #7E7D1B

monochromatic

#051019 #102F4C #1B4E7E #266DB0 #3E8CD6

Accessibility & contrast

On white

8.62

#1B4E7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#1B4E7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E7E

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E7E	#FFFFFF	#000000	##FFFFFF
##1B4E7E	1.00	8.62	2.44	8.62
#FFFFFF	8.62	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385180

Deuteranopia (green-blind)

#29487D

Tritanopia (blue-blind)

#005960

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1b4e7e;
/* rgb */ color: rgb(27, 78, 126);
/* oklch */ color: oklch(41.5% 0.097 250.3);

Tailwind

colors: {
  custom: {
    50: '#677fa3',
    500: '#1b4e7e',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e7e;
$custom-light: #677fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e7e",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 126
  },
  "hsl": {
    "h": 209.091,
    "s": 64.706,
    "l": 30
  },
  "oklch": {
    "l": 0.41542,
    "c": 0.09668,
    "h": 250.3
  },
  "luminance": 0.07188
}

Semantic roles & 50–950 ramp

primary

#1B4E7E

secondary

#B27943

accent

#9140E8

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1B4E7E

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

Preview Lab → · Contrast checker → · Palette generator →