#1D2E78#1D2E78

#1D2E78 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 33.7% C 0.128 H 268.6°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#1D2E78
RGB	rgb(29, 46, 120)
HSL	hsl(229, 61%, 29%)
HSV	hsv(229, 76%, 47%)
CMYK	cmyk(75.8%, 61.7%, 0%, 52.9%)
CIE-LAB	lab(22.20, 21.09, -44.31)
CIE-LCH	lch(22.20, 49.07, 295.46°)
OKLab	oklab(33.74% -0.0031 -0.1279)
OKLCH	oklch(33.74% 0.128 268.6)
XYZ	xyz(4.8727, 3.5708, 18.1981)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2E78 #78671D

analogous

#1D5C78 #1D2E78 #3A1D78

triadic

#1D2E78 #781D2E #2E781D

tetradic

#1D2E78 #781D5C #78671D #1D783A

square

#1D2E78 #781D5C #78671D #1D783A

split-complementary

#1D2E78 #783A1D #5C781D

monochromatic

#060919 #111B47 #1D2E78 #2941A9 #3F5AD1

Accessibility & contrast

On white

12.25

#1D2E78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1D2E78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2E78

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2E78	#FFFFFF	#000000	##FFFFFF
##1D2E78	1.00	12.25	1.71	12.25
#FFFFFF	12.25	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397A

Deuteranopia (green-blind)

#003177

Tritanopia (blue-blind)

#00414E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1d2e78;
/* rgb */ color: rgb(29, 46, 120);
/* oklch */ color: oklch(33.7% 0.128 268.6);

Tailwind

colors: {
  custom: {
    50: '#6766a0',
    500: '#1d2e78',
    950: '#000000',
  },
}

SCSS

$custom: #1d2e78;
$custom-light: #6766a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2e78",
  "rgb": {
    "r": 29,
    "g": 46,
    "b": 120
  },
  "hsl": {
    "h": 228.791,
    "s": 61.074,
    "l": 29.216
  },
  "oklch": {
    "l": 0.33737,
    "c": 0.12791,
    "h": 268.6
  },
  "luminance": 0.03571
}

Semantic roles & 50–950 ramp

primary

#1D2E78

secondary

#AC9945

accent

#C644E4

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07050F

muted

#7A7A7E

Preview Lab

Preview with #1D2E78

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

Preview Lab → · Contrast checker → · Palette generator →