#1B2686#1B2686

#1B2686 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.5% C 0.158 H 269.8°. Best body text is #FFFFFF at 12.59:1 contrast (WCAG AA passes).

Color values

HEX	#1B2686
RGB	rgb(27, 38, 134)
HSL	hsl(234, 66%, 32%)
HSV	hsv(234, 80%, 53%)
CMYK	cmyk(79.9%, 71.6%, 0%, 47.5%)
CIE-LAB	lab(21.36, 31.75, -54.54)
CIE-LCH	lch(21.36, 63.11, 300.20°)
OKLab	oklab(33.5% -0.0007 -0.1579)
OKLCH	oklch(33.5% 0.158 269.8)
XYZ	xyz(5.4467, 3.3399, 22.9072)
Luminance	0.0334 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2686 #867B1B

analogous

#1B5C86 #1B2686 #461B86

triadic

#1B2686 #861B26 #26861B

tetradic

#1B2686 #861B5C #867B1B #1B8646

square

#1B2686 #861B5C #867B1B #1B8646

split-complementary

#1B2686 #86461B #5C861B

monochromatic

#060920 #111853 #1B2686 #2534B9 #4252D9

Accessibility & contrast

On white

12.59

#1B2686 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1B2686 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2686

12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2686	#FFFFFF	#000000	##FFFFFF
##1B2686	1.00	12.59	1.67	12.59
#FFFFFF	12.59	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003889

Deuteranopia (green-blind)

#002E84

Tritanopia (blue-blind)

#004153

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1b2686;
/* rgb */ color: rgb(27, 38, 134);
/* oklch */ color: oklch(33.5% 0.158 269.8);

Tailwind

colors: {
  custom: {
    50: '#6b61aa',
    500: '#1b2686',
    950: '#000000',
  },
}

SCSS

$custom: #1b2686;
$custom-light: #6b61aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2686",
  "rgb": {
    "r": 27,
    "g": 38,
    "b": 134
  },
  "hsl": {
    "h": 233.832,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.335,
    "c": 0.15793,
    "h": 269.8
  },
  "luminance": 0.0334
}

Semantic roles & 50–950 ramp

primary

#1B2686

secondary

#B9AD44

accent

#D83EE9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1B2686

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

Preview Lab → · Contrast checker → · Palette generator →