#1B4D69#1B4D69

#1B4D69 is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 40.0% C 0.071 H 237.0°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#1B4D69
RGB	rgb(27, 77, 105)
HSL	hsl(202, 59%, 26%)
HSV	hsv(202, 74%, 41%)
CMYK	cmyk(74.3%, 26.7%, 0%, 58.8%)
CIE-LAB	lab(30.78, -6.46, -21.07)
CIE-LCH	lch(30.78, 22.04, 252.95°)
OKLab	oklab(40.03% -0.0385 -0.0593)
OKLCH	oklch(40.03% 0.071 237)
XYZ	xyz(5.6547, 6.5601, 14.3301)
Luminance	0.0656 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4D69 #69371B

analogous

#1B695E #1B4D69 #1B2669

triadic

#1B4D69 #691B4D #4D691B

tetradic

#1B4D69 #5E1B69 #69371B #26691B

square

#1B4D69 #5E1B69 #69371B #26691B

split-complementary

#1B4D69 #691B26 #695E1B

monochromatic

#061218 #0E2938 #1B4D69 #28719A #3494CA

Accessibility & contrast

On white

9.08

#1B4D69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#1B4D69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4D69

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4D69	#FFFFFF	#000000	##FFFFFF
##1B4D69	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)

#404D6A

Deuteranopia (green-blind)

#354569

Tritanopia (blue-blind)

#005457

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1b4d69;
/* rgb */ color: rgb(27, 77, 105);
/* oklch */ color: oklch(40.0% 0.071 237.0);

Tailwind

colors: {
  custom: {
    50: '#627e94',
    500: '#1b4d69',
    950: '#000000',
  },
}

SCSS

$custom: #1b4d69;
$custom-light: #627e94;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4d69",
  "rgb": {
    "r": 27,
    "g": 77,
    "b": 105
  },
  "hsl": {
    "h": 201.538,
    "s": 59.091,
    "l": 25.882
  },
  "oklch": {
    "l": 0.40033,
    "c": 0.07074,
    "h": 237
  },
  "luminance": 0.06561
}

Semantic roles & 50–950 ramp

primary

#1B4D69

secondary

#9E6342

accent

#7E46E2

background

#F6F7F9

surface

#EBEEF1

border

#C6C9CB

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1B4D69

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

Preview Lab → · Contrast checker → · Palette generator →