#1D2A7B#1D2A7B

#1D2A7B is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.2% C 0.137 H 270.0°. Best body text is #FFFFFF at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#1D2A7B
RGB	rgb(29, 42, 123)
HSL	hsl(232, 62%, 30%)
HSV	hsv(232, 76%, 48%)
CMYK	cmyk(76.4%, 65.9%, 0%, 51.8%)
CIE-LAB	lab(21.38, 25.07, -47.55)
CIE-LCH	lch(21.38, 53.75, 297.80°)
OKLab	oklab(33.22% -0.0001 -0.1374)
OKLCH	oklch(33.22% 0.137 270)
XYZ	xyz(4.9086, 3.3467, 19.1223)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2A7B #7B6E1D

analogous

#1D597B #1D2A7B #3F1D7B

triadic

#1D2A7B #7B1D2A #2A7B1D

tetradic

#1D2A7B #7B1D59 #7B6E1D #1D7B3F

square

#1D2A7B #7B1D59 #7B6E1D #1D7B3F

split-complementary

#1D2A7B #7B3F1D #597B1D

monochromatic

#060819 #111949 #1D2A7B #293BAD #4055D2

Accessibility & contrast

On white

12.58

#1D2A7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1D2A7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2A7B

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2A7B	#FFFFFF	#000000	##FFFFFF
##1D2A7B	1.00	12.58	1.67	12.58
#FFFFFF	12.58	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387E

Deuteranopia (green-blind)

#002F79

Tritanopia (blue-blind)

#003F4E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1d2a7b;
/* rgb */ color: rgb(29, 42, 123);
/* oklch */ color: oklch(33.2% 0.137 270.0);

Tailwind

colors: {
  custom: {
    50: '#6863a2',
    500: '#1d2a7b',
    950: '#000000',
  },
}

SCSS

$custom: #1d2a7b;
$custom-light: #6863a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2a7b",
  "rgb": {
    "r": 29,
    "g": 42,
    "b": 123
  },
  "hsl": {
    "h": 231.702,
    "s": 61.842,
    "l": 29.804
  },
  "oklch": {
    "l": 0.33217,
    "c": 0.13743,
    "h": 270
  },
  "luminance": 0.03347
}

Semantic roles & 50–950 ramp

primary

#1D2A7B

secondary

#AFA045

accent

#CF43E5

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1D2A7B

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

Preview Lab → · Contrast checker → · Palette generator →