#1B2F94#1B2F94

#1B2F94 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.5% C 0.166 H 267.8°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#1B2F94
RGB	rgb(27, 47, 148)
HSL	hsl(230, 69%, 34%)
HSV	hsv(230, 82%, 58%)
CMYK	cmyk(81.8%, 68.2%, 0%, 42%)
CIE-LAB	lab(24.96, 31.13, -57.31)
CIE-LCH	lch(24.96, 65.22, 298.51°)
OKLab	oklab(36.55% -0.0064 -0.166)
OKLCH	oklch(36.55% 0.166 267.8)
XYZ	xyz(6.8119, 4.4034, 28.5021)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2F94 #94801B

analogous

#1B6C94 #1B2F94 #441B94

triadic

#1B2F94 #941B2F #2F941B

tetradic

#1B2F94 #941B6C #94801B #1B9444

square

#1B2F94 #941B6C #94801B #1B9444

split-complementary

#1B2F94 #94441B #6C941B

monochromatic

#080E2C #121F60 #1B2F94 #243FC8 #4B63DE

Accessibility & contrast

On white

11.17

#1B2F94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#1B2F94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2F94

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2F94	#FFFFFF	#000000	##FFFFFF
##1B2F94	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004197

Deuteranopia (green-blind)

#003592

Tritanopia (blue-blind)

#004A5D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1b2f94;
/* rgb */ color: rgb(27, 47, 148);
/* oklch */ color: oklch(36.5% 0.166 267.8);

Tailwind

colors: {
  custom: {
    50: '#6e67b4',
    500: '#1b2f94',
    950: '#000000',
  },
}

SCSS

$custom: #1b2f94;
$custom-light: #6e67b4;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2f94",
  "rgb": {
    "r": 27,
    "g": 47,
    "b": 148
  },
  "hsl": {
    "h": 230.083,
    "s": 69.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.36547,
    "c": 0.16611,
    "h": 267.8
  },
  "luminance": 0.04404
}

Semantic roles & 50–950 ramp

primary

#1B2F94

secondary

#C0AD4B

accent

#CF3CEC

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #1B2F94

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

Preview Lab → · Contrast checker → · Palette generator →