#1B2E7C#1B2E7C

#1B2E7C is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.0% C 0.134 H 267.9°. Best body text is #FFFFFF at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#1B2E7C
RGB	rgb(27, 46, 124)
HSL	hsl(228, 64%, 30%)
HSV	hsv(228, 78%, 49%)
CMYK	cmyk(78.2%, 62.9%, 0%, 51.4%)
CIE-LAB	lab(22.45, 22.43, -46.44)
CIE-LCH	lch(22.45, 51.58, 295.78°)
OKLab	oklab(34.01% -0.005 -0.1342)
OKLCH	oklch(34.01% 0.134 267.9)
XYZ	xyz(5.0658, 3.6417, 19.5008)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2E7C #7C691B

analogous

#1B5F7C #1B2E7C #381B7C

triadic

#1B2E7C #7C1B2E #2E7C1B

tetradic

#1B2E7C #7C1B5F #7C691B #1B7C38

square

#1B2E7C #7C1B5F #7C691B #1B7C38

split-complementary

#1B2E7C #7C381B #5F7C1B

monochromatic

#050919 #101B4A #1B2E7C #2641AE #3D5AD5

Accessibility & contrast

On white

12.15

#1B2E7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1B2E7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2E7C

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2E7C	#FFFFFF	#000000	##FFFFFF
##1B2E7C	1.00	12.15	1.73	12.15
#FFFFFF	12.15	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7F

Deuteranopia (green-blind)

#00317A

Tritanopia (blue-blind)

#004250

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1b2e7c;
/* rgb */ color: rgb(27, 46, 124);
/* oklch */ color: oklch(34.0% 0.134 267.9);

Tailwind

colors: {
  custom: {
    50: '#6866a3',
    500: '#1b2e7c',
    950: '#000000',
  },
}

SCSS

$custom: #1b2e7c;
$custom-light: #6866a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2e7c",
  "rgb": {
    "r": 27,
    "g": 46,
    "b": 124
  },
  "hsl": {
    "h": 228.247,
    "s": 64.238,
    "l": 29.608
  },
  "oklch": {
    "l": 0.34006,
    "c": 0.13427,
    "h": 267.9
  },
  "luminance": 0.03642
}

Semantic roles & 50–950 ramp

primary

#1B2E7C

secondary

#B09B43

accent

#C741E7

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1B2E7C

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

Preview Lab → · Contrast checker → · Palette generator →