#1B26A0#1B26A0

#1B26A0 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.4% C 0.191 H 268.8°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#1B26A0
RGB	rgb(27, 38, 160)
HSL	hsl(235, 71%, 37%)
HSV	hsv(235, 83%, 63%)
CMYK	cmyk(83.1%, 76.3%, 0%, 37.3%)
CIE-LAB	lab(24.18, 41.15, -65.95)
CIE-LCH	lch(24.18, 77.73, 301.96°)
OKLab	oklab(36.36% -0.0041 -0.1911)
OKLCH	oklch(36.36% 0.191 268.8)
XYZ	xyz(7.4881, 4.1564, 33.6585)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B26A0 #A0951B

analogous

#1B69A0 #1B26A0 #531BA0

triadic

#1B26A0 #A01B26 #26A01B

tetradic

#1B26A0 #A01B69 #A0951B #1BA053

square

#1B26A0 #A01B69 #A0951B #1BA053

split-complementary

#1B26A0 #A0531B #69A01B

monochromatic

#090D37 #121A6C #1B26A0 #2432D4 #535FE2

Accessibility & contrast

On white

11.47

#1B26A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#1B26A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B26A0

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B26A0	#FFFFFF	#000000	##FFFFFF
##1B26A0	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A4

Deuteranopia (green-blind)

#00339E

Tritanopia (blue-blind)

#004A61

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1b26a0;
/* rgb */ color: rgb(27, 38, 160);
/* oklch */ color: oklch(36.4% 0.191 268.8);

Tailwind

colors: {
  custom: {
    50: '#7262bd',
    500: '#1b26a0',
    950: '#000000',
  },
}

SCSS

$custom: #1b26a0;
$custom-light: #7262bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1b26a0",
  "rgb": {
    "r": 27,
    "g": 38,
    "b": 160
  },
  "hsl": {
    "h": 235.038,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.36363,
    "c": 0.19115,
    "h": 268.8
  },
  "luminance": 0.04157
}

Semantic roles & 50–950 ramp

primary

#1B26A0

secondary

#C5BB52

accent

#DF3AEE

background

#F7F5FB

surface

#EEEAF7

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #1B26A0

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

Preview Lab → · Contrast checker → · Palette generator →