#1B266D#1B266D

#1B266D is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.0% C 0.123 H 270.6°. Best body text is #FFFFFF at 13.60:1 contrast (WCAG AA passes).

Color values

HEX	#1B266D
RGB	rgb(27, 38, 109)
HSL	hsl(232, 60%, 27%)
HSV	hsv(232, 75%, 43%)
CMYK	cmyk(75.2%, 65.1%, 0%, 57.3%)
CIE-LAB	lab(18.90, 22.10, -42.63)
CIE-LCH	lch(18.90, 48.01, 297.40°)
OKLab	oklab(30.96% 0.0012 -0.1231)
OKLCH	oklch(30.96% 0.123 270.6)
XYZ	xyz(3.9045, 2.7230, 14.7848)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B266D #6D621B

analogous

#1B4F6D #1B266D #391B6D

triadic

#1B266D #6D1B26 #266D1B

tetradic

#1B266D #6D1B4F #6D621B #1B6D39

square

#1B266D #6D1B4F #6D621B #1B6D39

split-complementary

#1B266D #6D391B #4F6D1B

monochromatic

#060919 #0F153C #1B266D #27379E #354ACD

Accessibility & contrast

On white

13.60

#1B266D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1B266D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B266D

13.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B266D	#FFFFFF	#000000	##FFFFFF
##1B266D	1.00	13.60	1.54	13.60
#FFFFFF	13.60	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00326F

Deuteranopia (green-blind)

#002A6C

Tritanopia (blue-blind)

#003845

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1b266d;
/* rgb */ color: rgb(27, 38, 109);
/* oklch */ color: oklch(31.0% 0.123 270.6);

Tailwind

colors: {
  custom: {
    50: '#646098',
    500: '#1b266d',
    950: '#000000',
  },
}

SCSS

$custom: #1b266d;
$custom-light: #646098;
$custom-dark: #000000;

JSON

{
  "hex": "#1b266d",
  "rgb": {
    "r": 27,
    "g": 38,
    "b": 109
  },
  "hsl": {
    "h": 231.951,
    "s": 60.294,
    "l": 26.667
  },
  "oklch": {
    "l": 0.30955,
    "c": 0.12309,
    "h": 270.6
  },
  "luminance": 0.02723
}

Semantic roles & 50–950 ramp

primary

#1B266D

secondary

#A29542

accent

#CE44E3

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #1B266D

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

Preview Lab → · Contrast checker → · Palette generator →