#1B2F69#1B2F69

#1B2F69 is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.5% C 0.105 H 266.3°. Best body text is #FFFFFF at 12.67:1 contrast (WCAG AA passes).

Color values

HEX	#1B2F69
RGB	rgb(27, 47, 105)
HSL	hsl(225, 59%, 26%)
HSV	hsv(225, 74%, 41%)
CMYK	cmyk(74.3%, 55.2%, 0%, 58.8%)
CIE-LAB	lab(21.15, 14.03, -36.37)
CIE-LCH	lch(21.15, 38.98, 291.09°)
OKLab	oklab(32.54% -0.0068 -0.1045)
OKLCH	oklch(32.54% 0.105 266.3)
XYZ	xyz(4.0174, 3.2856, 13.7843)
Luminance	0.0329 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2F69 #69551B

analogous

#1B5669 #1B2F69 #2E1B69

triadic

#1B2F69 #691B2F #2F691B

tetradic

#1B2F69 #691B56 #69551B #1B692E

square

#1B2F69 #691B56 #69551B #1B692E

split-complementary

#1B2F69 #692E1B #56691B

monochromatic

#060B18 #0E1938 #1B2F69 #28459A #345BCA

Accessibility & contrast

On white

12.67

#1B2F69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1B2F69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2F69

12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2F69	#FFFFFF	#000000	##FFFFFF
##1B2F69	1.00	12.67	1.66	12.67
#FFFFFF	12.67	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#09376B

Deuteranopia (green-blind)

#002F68

Tritanopia (blue-blind)

#003D47

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1b2f69;
/* rgb */ color: rgb(27, 47, 105);
/* oklch */ color: oklch(32.5% 0.105 266.3);

Tailwind

colors: {
  custom: {
    50: '#636794',
    500: '#1b2f69',
    950: '#000000',
  },
}

SCSS

$custom: #1b2f69;
$custom-light: #636794;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2f69",
  "rgb": {
    "r": 27,
    "g": 47,
    "b": 105
  },
  "hsl": {
    "h": 224.615,
    "s": 59.091,
    "l": 25.882
  },
  "oklch": {
    "l": 0.32536,
    "c": 0.10477,
    "h": 266.3
  },
  "luminance": 0.03286
}

Semantic roles & 50–950 ramp

primary

#1B2F69

secondary

#9E8642

accent

#BA46E2

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #1B2F69

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

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