#1D296B#1D296B

#1D296B is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.5% C 0.115 H 270.5°. Best body text is #FFFFFF at 13.28:1 contrast (WCAG AA passes).

Color values

HEX	#1D296B
RGB	rgb(29, 41, 107)
HSL	hsl(231, 57%, 27%)
HSV	hsv(231, 73%, 42%)
CMYK	cmyk(72.9%, 61.7%, 0%, 58%)
CIE-LAB	lab(19.67, 19.47, -40.06)
CIE-LCH	lch(19.67, 44.54, 295.92°)
OKLab	oklab(31.51% 0.001 -0.1155)
OKLCH	oklch(31.51% 0.115 270.5)
XYZ	xyz(3.9526, 2.9082, 14.2601)
Luminance	0.0291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D296B #6B5F1D

analogous

#1D506B #1D296B #381D6B

triadic

#1D296B #6B1D29 #296B1D

tetradic

#1D296B #6B1D50 #6B5F1D #1D6B38

square

#1D296B #6B1D50 #6B5F1D #1D6B38

split-complementary

#1D296B #6B381D #506B1D

monochromatic

#070918 #10173B #1D296B #2A3B9B #394FC9

Accessibility & contrast

On white

13.28

#1D296B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1D296B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D296B

13.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D296B	#FFFFFF	#000000	##FFFFFF
##1D296B	1.00	13.28	1.58	13.28
#FFFFFF	13.28	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00336D

Deuteranopia (green-blind)

#002C6A

Tritanopia (blue-blind)

#003945

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1d296b;
/* rgb */ color: rgb(29, 41, 107);
/* oklch */ color: oklch(31.5% 0.115 270.5);

Tailwind

colors: {
  custom: {
    50: '#646296',
    500: '#1d296b',
    950: '#000000',
  },
}

SCSS

$custom: #1d296b;
$custom-light: #646296;
$custom-dark: #000000;

JSON

{
  "hex": "#1d296b",
  "rgb": {
    "r": 29,
    "g": 41,
    "b": 107
  },
  "hsl": {
    "h": 230.769,
    "s": 57.353,
    "l": 26.667
  },
  "oklch": {
    "l": 0.31506,
    "c": 0.11547,
    "h": 270.5
  },
  "luminance": 0.02909
}

Semantic roles & 50–950 ramp

primary

#1D296B

secondary

#A09244

accent

#C947E1

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#06050D

muted

#7A797E

Preview Lab

Preview with #1D296B

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

Preview Lab → · Contrast checker → · Palette generator →