#1B246D#1B246D

#1B246D is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.6% C 0.126 H 271.3°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#1B246D
RGB	rgb(27, 36, 109)
HSL	hsl(233, 60%, 27%)
HSV	hsv(233, 75%, 43%)
CMYK	cmyk(75.2%, 67%, 0%, 57.3%)
CIE-LAB	lab(18.36, 23.51, -43.51)
CIE-LCH	lch(18.36, 49.45, 298.38°)
OKLab	oklab(30.56% 0.0028 -0.1257)
OKLCH	oklch(30.56% 0.126 271.3)
XYZ	xyz(3.8423, 2.5985, 14.7641)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B246D #6D641B

analogous

#1B4D6D #1B246D #3B1B6D

triadic

#1B246D #6D1B24 #246D1B

tetradic

#1B246D #6D1B4D #6D641B #1B6D3B

square

#1B246D #6D1B4D #6D641B #1B6D3B

split-complementary

#1B246D #6D3B1B #4D6D1B

monochromatic

#060819 #0F143C #1B246D #27349E #3546CD

Accessibility & contrast

On white

13.82

#1B246D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#1B246D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B246D

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B246D	#FFFFFF	#000000	##FFFFFF
##1B246D	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00316F

Deuteranopia (green-blind)

#00296C

Tritanopia (blue-blind)

#003745

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1b246d;
/* rgb */ color: rgb(27, 36, 109);
/* oklch */ color: oklch(30.6% 0.126 271.3);

Tailwind

colors: {
  custom: {
    50: '#655e98',
    500: '#1b246d',
    950: '#000000',
  },
}

SCSS

$custom: #1b246d;
$custom-light: #655e98;
$custom-dark: #000000;

JSON

{
  "hex": "#1b246d",
  "rgb": {
    "r": 27,
    "g": 36,
    "b": 109
  },
  "hsl": {
    "h": 233.415,
    "s": 60.294,
    "l": 26.667
  },
  "oklch": {
    "l": 0.30558,
    "c": 0.12572,
    "h": 271.3
  },
  "luminance": 0.02599
}

Semantic roles & 50–950 ramp

primary

#1B246D

secondary

#A29742

accent

#D244E3

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #1B246D

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

Preview Lab → · Contrast checker → · Palette generator →