#1B2B67#1B2B67

#1B2B67 is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.5% C 0.107 H 268.3°. Best body text is #FFFFFF at 13.22:1 contrast (WCAG AA passes).

Color values

HEX	#1B2B67
RGB	rgb(27, 43, 103)
HSL	hsl(227, 58%, 25%)
HSV	hsv(227, 74%, 40%)
CMYK	cmyk(73.8%, 58.3%, 0%, 59.6%)
CIE-LAB	lab(19.80, 16.10, -37.26)
CIE-LCH	lch(19.80, 40.59, 293.37°)
OKLab	oklab(31.47% -0.0032 -0.1072)
OKLCH	oklch(31.47% 0.107 268.3)
XYZ	xyz(3.7632, 2.9397, 13.1984)
Luminance	0.0294 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2B67 #67571B

analogous

#1B5167 #1B2B67 #311B67

triadic

#1B2B67 #671B2B #2B671B

tetradic

#1B2B67 #671B51 #67571B #1B6731

square

#1B2B67 #671B51 #67571B #1B6731

split-complementary

#1B2B67 #67311B #51671B

monochromatic

#060A18 #0E1737 #1B2B67 #283F97 #3453C8

Accessibility & contrast

On white

13.22

#1B2B67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1B2B67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2B67

13.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2B67	#FFFFFF	#000000	##FFFFFF
##1B2B67	1.00	13.22	1.59	13.22
#FFFFFF	13.22	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003369

Deuteranopia (green-blind)

#002D66

Tritanopia (blue-blind)

#003A44

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1b2b67;
/* rgb */ color: rgb(27, 43, 103);
/* oklch */ color: oklch(31.5% 0.107 268.3);

Tailwind

colors: {
  custom: {
    50: '#626393',
    500: '#1b2b67',
    950: '#000000',
  },
}

SCSS

$custom: #1b2b67;
$custom-light: #626393;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2b67",
  "rgb": {
    "r": 27,
    "g": 43,
    "b": 103
  },
  "hsl": {
    "h": 227.368,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.31465,
    "c": 0.10728,
    "h": 268.3
  },
  "luminance": 0.0294
}

Semantic roles & 50–950 ramp

primary

#1B2B67

secondary

#9C8942

accent

#C146E2

background

#F6F5F9

surface

#EBEAF1

border

#C6C6CB

text

#06050D

muted

#7A797E

Preview Lab

Preview with #1B2B67

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

Preview Lab → · Contrast checker → · Palette generator →