#1B2E7F#1B2E7F

#1B2E7F is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.3% C 0.139 H 267.9°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#1B2E7F
RGB	rgb(27, 46, 127)
HSL	hsl(229, 65%, 30%)
HSV	hsv(229, 79%, 50%)
CMYK	cmyk(78.7%, 63.8%, 0%, 50.2%)
CIE-LAB	lab(22.72, 23.63, -47.90)
CIE-LCH	lch(22.72, 53.41, 296.26°)
OKLab	oklab(34.29% -0.005 -0.1385)
OKLCH	oklch(34.29% 0.139 267.9)
XYZ	xyz(5.2584, 3.7187, 20.5152)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2E7F #7F6C1B

analogous

#1B607F #1B2E7F #3A1B7F

triadic

#1B2E7F #7F1B2E #2E7F1B

tetradic

#1B2E7F #7F1B60 #7F6C1B #1B7F3A

square

#1B2E7F #7F1B60 #7F6C1B #1B7F3A

split-complementary

#1B2E7F #7F3A1B #607F1B

monochromatic

#06091A #101C4D #1B2E7F #2640B1 #3E5BD6

Accessibility & contrast

On white

12.04

#1B2E7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1B2E7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2E7F

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2E7F	#FFFFFF	#000000	##FFFFFF
##1B2E7F	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B82

Deuteranopia (green-blind)

#00327D

Tritanopia (blue-blind)

#004352

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1b2e7f;
/* rgb */ color: rgb(27, 46, 127);
/* oklch */ color: oklch(34.3% 0.139 267.9);

Tailwind

colors: {
  custom: {
    50: '#6866a5',
    500: '#1b2e7f',
    950: '#000000',
  },
}

SCSS

$custom: #1b2e7f;
$custom-light: #6866a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2e7f",
  "rgb": {
    "r": 27,
    "g": 46,
    "b": 127
  },
  "hsl": {
    "h": 228.6,
    "s": 64.935,
    "l": 30.196
  },
  "oklch": {
    "l": 0.3429,
    "c": 0.13855,
    "h": 267.9
  },
  "luminance": 0.03719
}

Semantic roles & 50–950 ramp

primary

#1B2E7F

secondary

#B39E43

accent

#C840E8

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1B2E7F

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

Preview Lab → · Contrast checker → · Palette generator →