#1B249E#1B249E

#1B249E is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.8% C 0.191 H 269.0°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#1B249E
RGB	rgb(27, 36, 158)
HSL	hsl(236, 71%, 36%)
HSV	hsv(236, 83%, 62%)
CMYK	cmyk(82.9%, 77.2%, 0%, 38%)
CIE-LAB	lab(23.55, 41.61, -65.78)
CIE-LCH	lch(23.55, 77.84, 302.31°)
OKLab	oklab(35.85% -0.0032 -0.1906)
OKLCH	oklch(35.85% 0.191 269)
XYZ	xyz(7.2523, 3.9625, 32.7237)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B249E #9E951B

analogous

#1B669E #1B249E #541B9E

triadic

#1B249E #9E1B24 #249E1B

tetradic

#1B249E #9E1B66 #9E951B #1B9E54

square

#1B249E #9E1B66 #9E951B #1B9E54

split-complementary

#1B249E #9E541B #669E1B

monochromatic

#090C35 #12186A #1B249E #2430D2 #525CE1

Accessibility & contrast

On white

11.71

#1B249E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1B249E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B249E

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B249E	#FFFFFF	#000000	##FFFFFF
##1B249E	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA1

Deuteranopia (green-blind)

#00319C

Tritanopia (blue-blind)

#004960

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1b249e;
/* rgb */ color: rgb(27, 36, 158);
/* oklch */ color: oklch(35.8% 0.191 269.0);

Tailwind

colors: {
  custom: {
    50: '#7260bc',
    500: '#1b249e',
    950: '#000000',
  },
}

SCSS

$custom: #1b249e;
$custom-light: #7260bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1b249e",
  "rgb": {
    "r": 27,
    "g": 36,
    "b": 158
  },
  "hsl": {
    "h": 235.878,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.35846,
    "c": 0.19063,
    "h": 269
  },
  "luminance": 0.03963
}

Semantic roles & 50–950 ramp

primary

#1B249E

secondary

#C4BC51

accent

#E13AEE

background

#F7F5FB

surface

#EEEAF7

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #1B249E

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

Preview Lab → · Contrast checker → · Palette generator →