#1B2F6D#1B2F6D

#1B2F6D is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.9% C 0.111 H 266.7°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#1B2F6D
RGB	rgb(27, 47, 109)
HSL	hsl(225, 60%, 27%)
HSV	hsv(225, 75%, 43%)
CMYK	cmyk(75.2%, 56.9%, 0%, 57.3%)
CIE-LAB	lab(21.47, 15.66, -38.45)
CIE-LCH	lch(21.47, 41.52, 292.16°)
OKLab	oklab(32.87% -0.0064 -0.1107)
OKLCH	oklch(32.87% 0.111 266.7)
XYZ	xyz(4.2279, 3.3697, 14.8926)
Luminance	0.0337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2F6D #6D591B

analogous

#1B586D #1B2F6D #301B6D

triadic

#1B2F6D #6D1B2F #2F6D1B

tetradic

#1B2F6D #6D1B58 #6D591B #1B6D30

square

#1B2F6D #6D1B58 #6D591B #1B6D30

split-complementary

#1B2F6D #6D301B #586D1B

monochromatic

#060B19 #0F1A3C #1B2F6D #27449E #355ACD

Accessibility & contrast

On white

12.54

#1B2F6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1B2F6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2F6D

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2F6D	#FFFFFF	#000000	##FFFFFF
##1B2F6D	1.00	12.54	1.67	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#01376F

Deuteranopia (green-blind)

#00306C

Tritanopia (blue-blind)

#003E49

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1b2f6d;
/* rgb */ color: rgb(27, 47, 109);
/* oklch */ color: oklch(32.9% 0.111 266.7);

Tailwind

colors: {
  custom: {
    50: '#646797',
    500: '#1b2f6d',
    950: '#000000',
  },
}

SCSS

$custom: #1b2f6d;
$custom-light: #646797;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2f6d",
  "rgb": {
    "r": 27,
    "g": 47,
    "b": 109
  },
  "hsl": {
    "h": 225.366,
    "s": 60.294,
    "l": 26.667
  },
  "oklch": {
    "l": 0.32874,
    "c": 0.11085,
    "h": 266.7
  },
  "luminance": 0.0337
}

Semantic roles & 50–950 ramp

primary

#1B2F6D

secondary

#A28B42

accent

#BD44E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #1B2F6D

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

Preview Lab → · Contrast checker → · Palette generator →