#1D459B#1D459B

#1D459B is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.7% C 0.148 H 262.9°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#1D459B
RGB	rgb(29, 69, 155)
HSL	hsl(221, 68%, 36%)
HSV	hsv(221, 81%, 61%)
CMYK	cmyk(81.3%, 55.5%, 0%, 39.2%)
CIE-LAB	lab(31.54, 19.12, -50.84)
CIE-LCH	lch(31.54, 54.32, 290.60°)
OKLab	oklab(41.65% -0.0183 -0.1467)
OKLCH	oklch(41.65% 0.148 262.9)
XYZ	xyz(8.5491, 6.8830, 31.8820)
Luminance	0.0688 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D459B #9B731D

analogous

#1D849B #1D459B #341D9B

triadic

#1D459B #9B1D45 #459B1D

tetradic

#1D459B #9B1D84 #9B731D #1D9B34

square

#1D459B #9B1D84 #9B731D #1D9B34

split-complementary

#1D459B #9B341D #849B1D

monochromatic

#0A1734 #132E67 #1D459B #275CCF #5380DF

Accessibility & contrast

On white

8.84

#1D459B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#1D459B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D459B

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D459B	#FFFFFF	#000000	##FFFFFF
##1D459B	1.00	8.84	2.38	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00509E

Deuteranopia (green-blind)

#004599

Tritanopia (blue-blind)

#005A69

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1d459b;
/* rgb */ color: rgb(29, 69, 155);
/* oklch */ color: oklch(41.7% 0.148 262.9);

Tailwind

colors: {
  custom: {
    50: '#6f78b9',
    500: '#1d459b',
    950: '#000000',
  },
}

SCSS

$custom: #1d459b;
$custom-light: #6f78b9;
$custom-dark: #000000;

JSON

{
  "hex": "#1d459b",
  "rgb": {
    "r": 29,
    "g": 69,
    "b": 155
  },
  "hsl": {
    "h": 220.952,
    "s": 68.478,
    "l": 36.078
  },
  "oklch": {
    "l": 0.41654,
    "c": 0.14783,
    "h": 262.9
  },
  "luminance": 0.06884
}

Semantic roles & 50–950 ramp

primary

#1D459B

secondary

#C29E52

accent

#B43CEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #1D459B

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

Preview Lab → · Contrast checker → · Palette generator →