#1B296D#1B296D

#1B296D is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.6% C 0.119 H 269.4°. Best body text is #FFFFFF at 13.25:1 contrast (WCAG AA passes).

Color values

HEX	#1B296D
RGB	rgb(27, 41, 109)
HSL	hsl(230, 60%, 27%)
HSV	hsv(230, 75%, 43%)
CMYK	cmyk(75.2%, 62.4%, 0%, 57.3%)
CIE-LAB	lab(19.73, 19.97, -41.27)
CIE-LCH	lch(19.73, 45.85, 295.82°)
OKLab	oklab(31.57% -0.0012 -0.1191)
OKLCH	oklch(31.57% 0.119 269.4)
XYZ	xyz(4.0043, 2.9226, 14.8181)
Luminance	0.0292 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B296D #6D5F1B

analogous

#1B526D #1B296D #361B6D

triadic

#1B296D #6D1B29 #296D1B

tetradic

#1B296D #6D1B52 #6D5F1B #1B6D36

square

#1B296D #6D1B52 #6D5F1B #1B6D36

split-complementary

#1B296D #6D361B #526D1B

monochromatic

#060919 #0F173C #1B296D #273B9E #354FCD

Accessibility & contrast

On white

13.25

#1B296D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1B296D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B296D

13.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B296D	#FFFFFF	#000000	##FFFFFF
##1B296D	1.00	13.25	1.58	13.25
#FFFFFF	13.25	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00346F

Deuteranopia (green-blind)

#002C6C

Tritanopia (blue-blind)

#003A46

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1b296d;
/* rgb */ color: rgb(27, 41, 109);
/* oklch */ color: oklch(31.6% 0.119 269.4);

Tailwind

colors: {
  custom: {
    50: '#646297',
    500: '#1b296d',
    950: '#000000',
  },
}

SCSS

$custom: #1b296d;
$custom-light: #646297;
$custom-dark: #000000;

JSON

{
  "hex": "#1b296d",
  "rgb": {
    "r": 27,
    "g": 41,
    "b": 109
  },
  "hsl": {
    "h": 229.756,
    "s": 60.294,
    "l": 26.667
  },
  "oklch": {
    "l": 0.31572,
    "c": 0.11907,
    "h": 269.4
  },
  "luminance": 0.02923
}

Semantic roles & 50–950 ramp

primary

#1B296D

secondary

#A29242

accent

#C844E3

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #1B296D

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

Preview Lab → · Contrast checker → · Palette generator →