#1D2E8C#1D2E8C

#1D2E8C is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.6% C 0.156 H 268.7°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#1D2E8C
RGB	rgb(29, 46, 140)
HSL	hsl(231, 66%, 33%)
HSV	hsv(231, 79%, 55%)
CMYK	cmyk(79.3%, 67.1%, 0%, 45.1%)
CIE-LAB	lab(24.03, 28.92, -53.90)
CIE-LCH	lch(24.03, 61.17, 298.22°)
OKLab	oklab(35.65% -0.0036 -0.156)
OKLCH	oklch(35.65% 0.156 268.7)
XYZ	xyz(6.2157, 4.1080, 25.2712)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2E8C #8C7B1D

analogous

#1D658C #1D2E8C #431D8C

triadic

#1D2E8C #8C1D2E #2E8C1D

tetradic

#1D2E8C #8C1D65 #8C7B1D #1D8C43

square

#1D2E8C #8C1D65 #8C7B1D #1D8C43

split-complementary

#1D2E8C #8C431D #658C1D

monochromatic

#080D27 #121D59 #1D2E8C #283FBF #4A60D9

Accessibility & contrast

On white

11.53

#1D2E8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1D2E8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2E8C

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2E8C	#FFFFFF	#000000	##FFFFFF
##1D2E8C	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8F

Deuteranopia (green-blind)

#00348A

Tritanopia (blue-blind)

#004758

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1d2e8c;
/* rgb */ color: rgb(29, 46, 140);
/* oklch */ color: oklch(35.6% 0.156 268.7);

Tailwind

colors: {
  custom: {
    50: '#6d66af',
    500: '#1d2e8c',
    950: '#000000',
  },
}

SCSS

$custom: #1d2e8c;
$custom-light: #6d66af;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2e8c",
  "rgb": {
    "r": 29,
    "g": 46,
    "b": 140
  },
  "hsl": {
    "h": 230.811,
    "s": 65.68,
    "l": 33.137
  },
  "oklch": {
    "l": 0.3565,
    "c": 0.15602,
    "h": 268.7
  },
  "luminance": 0.04109
}

Semantic roles & 50–950 ramp

primary

#1D2E8C

secondary

#BCAA49

accent

#CF3FE9

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1D2E8C

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

Preview Lab → · Contrast checker → · Palette generator →