#1D2D7B#1D2D7B

#1D2D7B is a dark, vivid blue. Relative luminance 0.036; OKLCH L 33.8% C 0.134 H 269.0°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#1D2D7B
RGB	rgb(29, 45, 123)
HSL	hsl(230, 62%, 30%)
HSV	hsv(230, 76%, 48%)
CMYK	cmyk(76.4%, 63.4%, 0%, 51.8%)
CIE-LAB	lab(22.19, 22.99, -46.23)
CIE-LCH	lch(22.19, 51.63, 296.44°)
OKLab	oklab(33.81% -0.0023 -0.1335)
OKLCH	oklch(33.81% 0.134 269)
XYZ	xyz(5.0190, 3.5675, 19.1591)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2D7B #7B6B1D

analogous

#1D5C7B #1D2D7B #3C1D7B

triadic

#1D2D7B #7B1D2D #2D7B1D

tetradic

#1D2D7B #7B1D5C #7B6B1D #1D7B3C

square

#1D2D7B #7B1D5C #7B6B1D #1D7B3C

split-complementary

#1D2D7B #7B3C1D #5C7B1D

monochromatic

#060919 #111B49 #1D2D7B #293FAD #4059D2

Accessibility & contrast

On white

12.25

#1D2D7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1D2D7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2D7B

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2D7B	#FFFFFF	#000000	##FFFFFF
##1D2D7B	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)

#003A7E

Deuteranopia (green-blind)

#003179

Tritanopia (blue-blind)

#00414F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1d2d7b;
/* rgb */ color: rgb(29, 45, 123);
/* oklch */ color: oklch(33.8% 0.134 269.0);

Tailwind

colors: {
  custom: {
    50: '#6865a2',
    500: '#1d2d7b',
    950: '#000000',
  },
}

SCSS

$custom: #1d2d7b;
$custom-light: #6865a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2d7b",
  "rgb": {
    "r": 29,
    "g": 45,
    "b": 123
  },
  "hsl": {
    "h": 229.787,
    "s": 61.842,
    "l": 29.804
  },
  "oklch": {
    "l": 0.33811,
    "c": 0.13356,
    "h": 269
  },
  "luminance": 0.03568
}

Semantic roles & 50–950 ramp

primary

#1D2D7B

secondary

#AF9D45

accent

#C943E5

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #1D2D7B

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

Preview Lab → · Contrast checker → · Palette generator →