#1B266B#1B266B

#1B266B is a dark, vivid blue. Relative luminance 0.027; OKLCH L 30.8% C 0.120 H 270.6°. Best body text is #FFFFFF at 13.67:1 contrast (WCAG AA passes).

Color values

HEX	#1B266B
RGB	rgb(27, 38, 107)
HSL	hsl(232, 60%, 26%)
HSV	hsv(232, 75%, 42%)
CMYK	cmyk(74.8%, 64.5%, 0%, 58%)
CIE-LAB	lab(18.72, 21.30, -41.63)
CIE-LCH	lch(18.72, 46.76, 297.10°)
OKLab	oklab(30.76% 0.0013 -0.1201)
OKLCH	oklch(30.76% 0.12 270.6)
XYZ	xyz(3.7980, 2.6804, 14.2243)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B266B #6B601B

analogous

#1B4E6B #1B266B #381B6B

triadic

#1B266B #6B1B26 #266B1B

tetradic

#1B266B #6B1B4E #6B601B #1B6B38

square

#1B266B #6B1B4E #6B601B #1B6B38

split-complementary

#1B266B #6B381B #4E6B1B

monochromatic

#060918 #0F153A #1B266B #27379C #3549CC

Accessibility & contrast

On white

13.67

#1B266B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1B266B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B266B

13.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B266B	#FFFFFF	#000000	##FFFFFF
##1B266B	1.00	13.67	1.54	13.67
#FFFFFF	13.67	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00316D

Deuteranopia (green-blind)

#002A6A

Tritanopia (blue-blind)

#003844

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1b266b;
/* rgb */ color: rgb(27, 38, 107);
/* oklch */ color: oklch(30.8% 0.120 270.6);

Tailwind

colors: {
  custom: {
    50: '#646096',
    500: '#1b266b',
    950: '#000000',
  },
}

SCSS

$custom: #1b266b;
$custom-light: #646096;
$custom-dark: #000000;

JSON

{
  "hex": "#1b266b",
  "rgb": {
    "r": 27,
    "g": 38,
    "b": 107
  },
  "hsl": {
    "h": 231.75,
    "s": 59.701,
    "l": 26.275
  },
  "oklch": {
    "l": 0.30763,
    "c": 0.12016,
    "h": 270.6
  },
  "luminance": 0.02681
}

Semantic roles & 50–950 ramp

primary

#1B266B

secondary

#A09342

accent

#CD45E3

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #1B266B

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

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