#1D297E#1D297E

#1D297E is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.3% C 0.143 H 270.2°. Best body text is #FFFFFF at 12.57:1 contrast (WCAG AA passes).

Color values

HEX	#1D297E
RGB	rgb(29, 41, 126)
HSL	hsl(233, 63%, 30%)
HSV	hsv(233, 77%, 49%)
CMYK	cmyk(77%, 67.5%, 0%, 50.6%)
CIE-LAB	lab(21.41, 26.92, -49.41)
CIE-LCH	lch(21.41, 56.27, 298.58°)
OKLab	oklab(33.32% 0.0004 -0.1429)
OKLCH	oklch(33.32% 0.143 270.2)
XYZ	xyz(5.0642, 3.3529, 20.1149)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D297E #7E721D

analogous

#1D5A7E #1D297E #411D7E

triadic

#1D297E #7E1D29 #297E1D

tetradic

#1D297E #7E1D5A #7E721D #1D7E41

square

#1D297E #7E1D5A #7E721D #1D7E41

split-complementary

#1D297E #7E411D #5A7E1D

monochromatic

#06091B #12194C #1D297E #2839B0 #4254D3

Accessibility & contrast

On white

12.57

#1D297E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1D297E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D297E

12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D297E	#FFFFFF	#000000	##FFFFFF
##1D297E	1.00	12.57	1.67	12.57
#FFFFFF	12.57	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003881

Deuteranopia (green-blind)

#002F7C

Tritanopia (blue-blind)

#003F4F

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1d297e;
/* rgb */ color: rgb(29, 41, 126);
/* oklch */ color: oklch(33.3% 0.143 270.2);

Tailwind

colors: {
  custom: {
    50: '#6962a4',
    500: '#1d297e',
    950: '#000000',
  },
}

SCSS

$custom: #1d297e;
$custom-light: #6962a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d297e",
  "rgb": {
    "r": 29,
    "g": 41,
    "b": 126
  },
  "hsl": {
    "h": 232.577,
    "s": 62.581,
    "l": 30.392
  },
  "oklch": {
    "l": 0.33321,
    "c": 0.1429,
    "h": 270.2
  },
  "luminance": 0.03353
}

Semantic roles & 50–950 ramp

primary

#1D297E

secondary

#B1A445

accent

#D142E6

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1D297E

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

Preview Lab → · Contrast checker → · Palette generator →