#1B2F6A#1B2F6A

#1B2F6A is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.6% C 0.106 H 266.4°. Best body text is #FFFFFF at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#1B2F6A
RGB	rgb(27, 47, 106)
HSL	hsl(225, 59%, 26%)
HSV	hsv(225, 75%, 42%)
CMYK	cmyk(74.5%, 55.7%, 0%, 58.4%)
CIE-LAB	lab(21.23, 14.44, -36.89)
CIE-LCH	lch(21.23, 39.61, 291.37°)
OKLab	oklab(32.62% -0.0067 -0.1061)
OKLCH	oklch(32.62% 0.106 266.4)
XYZ	xyz(4.0691, 3.3062, 14.0566)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2F6A #6A561B

analogous

#1B566A #1B2F6A #2E1B6A

triadic

#1B2F6A #6A1B2F #2F6A1B

tetradic

#1B2F6A #6A1B56 #6A561B #1B6A2E

square

#1B2F6A #6A1B56 #6A561B #1B6A2E

split-complementary

#1B2F6A #6A2E1B #566A1B

monochromatic

#060B18 #0F1939 #1B2F6A #27459B #345ACB

Accessibility & contrast

On white

12.64

#1B2F6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1B2F6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2F6A

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2F6A	#FFFFFF	#000000	##FFFFFF
##1B2F6A	1.00	12.64	1.66	12.64
#FFFFFF	12.64	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#07376C

Deuteranopia (green-blind)

#003069

Tritanopia (blue-blind)

#003D47

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1b2f6a;
/* rgb */ color: rgb(27, 47, 106);
/* oklch */ color: oklch(32.6% 0.106 266.4);

Tailwind

colors: {
  custom: {
    50: '#636795',
    500: '#1b2f6a',
    950: '#000000',
  },
}

SCSS

$custom: #1b2f6a;
$custom-light: #636795;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2f6a",
  "rgb": {
    "r": 27,
    "g": 47,
    "b": 106
  },
  "hsl": {
    "h": 224.81,
    "s": 59.398,
    "l": 26.078
  },
  "oklch": {
    "l": 0.3262,
    "c": 0.1063,
    "h": 266.4
  },
  "luminance": 0.03307
}

Semantic roles & 50–950 ramp

primary

#1B2F6A

secondary

#9F8742

accent

#BB45E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #1B2F6A

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

Preview Lab → · Contrast checker → · Palette generator →