#1B4772#1B4772

#1B4772 is a dark, moderate cyan. Relative luminance 0.060; OKLCH L 39.0% C 0.088 H 250.7°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#1B4772
RGB	rgb(27, 71, 114)
HSL	hsl(210, 62%, 28%)
HSV	hsv(210, 76%, 45%)
CMYK	cmyk(76.3%, 37.7%, 0%, 55.3%)
CIE-LAB	lab(29.30, 0.94, -29.10)
CIE-LCH	lch(29.30, 29.11, 271.86°)
OKLab	oklab(39.02% -0.029 -0.0828)
OKLCH	oklch(39.02% 0.088 250.7)
XYZ	xyz(5.7414, 5.9538, 16.7629)
Luminance	0.0595 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4772 #72461B

analogous

#1B7271 #1B4772 #1B1C72

triadic

#1B4772 #721B47 #47721B

tetradic

#1B4772 #711B72 #72461B #1C721B

square

#1B4772 #711B72 #72461B #1C721B

split-complementary

#1B4772 #721B1C #72711B

monochromatic

#060F19 #0F2841 #1B4772 #2766A3 #3885D0

Accessibility & contrast

On white

9.59

#1B4772 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#1B4772 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4772

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4772	#FFFFFF	#000000	##FFFFFF
##1B4772	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#334974

Deuteranopia (green-blind)

#274171

Tritanopia (blue-blind)

#005157

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1b4772;
/* rgb */ color: rgb(27, 71, 114);
/* oklch */ color: oklch(39.0% 0.088 250.7);

Tailwind

colors: {
  custom: {
    50: '#64799b',
    500: '#1b4772',
    950: '#000000',
  },
}

SCSS

$custom: #1b4772;
$custom-light: #64799b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4772",
  "rgb": {
    "r": 27,
    "g": 71,
    "b": 114
  },
  "hsl": {
    "h": 209.655,
    "s": 61.702,
    "l": 27.647
  },
  "oklch": {
    "l": 0.39016,
    "c": 0.0877,
    "h": 250.7
  },
  "luminance": 0.05954
}

Semantic roles & 50–950 ramp

primary

#1B4772

secondary

#A77442

accent

#9343E5

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1B4772

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

Preview Lab → · Contrast checker → · Palette generator →