#1B2E7A#1B2E7A

#1B2E7A is a dark, vivid blue. Relative luminance 0.036; OKLCH L 33.8% C 0.131 H 267.8°. Best body text is #FFFFFF at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#1B2E7A
RGB	rgb(27, 46, 122)
HSL	hsl(228, 64%, 29%)
HSV	hsv(228, 78%, 48%)
CMYK	cmyk(77.9%, 62.3%, 0%, 52.2%)
CIE-LAB	lab(22.27, 21.63, -45.46)
CIE-LCH	lch(22.27, 50.35, 295.45°)
OKLab	oklab(33.82% -0.005 -0.1313)
OKLCH	oklch(33.82% 0.131 267.8)
XYZ	xyz(4.9406, 3.5916, 18.8414)
Luminance	0.0359 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2E7A #7A671B

analogous

#1B5E7A #1B2E7A #381B7A

triadic

#1B2E7A #7A1B2E #2E7A1B

tetradic

#1B2E7A #7A1B5E #7A671B #1B7A38

square

#1B2E7A #7A1B5E #7A671B #1B7A38

split-complementary

#1B2E7A #7A381B #5E7A1B

monochromatic

#060919 #101B48 #1B2E7A #2641AC #3C5AD4

Accessibility & contrast

On white

12.22

#1B2E7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1B2E7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2E7A

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2E7A	#FFFFFF	#000000	##FFFFFF
##1B2E7A	1.00	12.22	1.72	12.22
#FFFFFF	12.22	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7D

Deuteranopia (green-blind)

#003179

Tritanopia (blue-blind)

#00414F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1b2e7a;
/* rgb */ color: rgb(27, 46, 122);
/* oklch */ color: oklch(33.8% 0.131 267.8);

Tailwind

colors: {
  custom: {
    50: '#6766a1',
    500: '#1b2e7a',
    950: '#000000',
  },
}

SCSS

$custom: #1b2e7a;
$custom-light: #6766a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2e7a",
  "rgb": {
    "r": 27,
    "g": 46,
    "b": 122
  },
  "hsl": {
    "h": 228,
    "s": 63.758,
    "l": 29.216
  },
  "oklch": {
    "l": 0.3382,
    "c": 0.13141,
    "h": 267.8
  },
  "luminance": 0.03592
}

Semantic roles & 50–950 ramp

primary

#1B2E7A

secondary

#AE9943

accent

#C641E7

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1B2E7A

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

Preview Lab → · Contrast checker → · Palette generator →