#1D2B5D#1D2B5D

#1D2B5D is a dark, moderate blue. Relative luminance 0.028; OKLCH L 30.7% C 0.091 H 268.8°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#1D2B5D
RGB	rgb(29, 43, 93)
HSL	hsl(227, 52%, 24%)
HSV	hsv(227, 69%, 36%)
CMYK	cmyk(68.8%, 53.8%, 0%, 63.5%)
CIE-LAB	lab(19.14, 12.42, -31.75)
CIE-LCH	lch(19.14, 34.09, 291.36°)
OKLab	oklab(30.75% -0.0019 -0.091)
OKLCH	oklch(30.75% 0.091 268.8)
XYZ	xyz(3.3457, 2.7790, 10.7139)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2B5D #5D4F1D

analogous

#1D4B5D #1D2B5D #2F1D5D

triadic

#1D2B5D #5D1D2B #2B5D1D

tetradic

#1D2B5D #5D1D4B #5D4F1D #1D5D2F

square

#1D2B5D #5D1D4B #5D4F1D #1D5D2F

split-complementary

#1D2B5D #5D2F1D #4B5D1D

monochromatic

#070B17 #0E152E #1D2B5D #2C418C #3A56BA

Accessibility & contrast

On white

13.50

#1D2B5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1D2B5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2B5D

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2B5D	#FFFFFF	#000000	##FFFFFF
##1D2B5D	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F315F

Deuteranopia (green-blind)

#012C5C

Tritanopia (blue-blind)

#00373F

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1d2b5d;
/* rgb */ color: rgb(29, 43, 93);
/* oklch */ color: oklch(30.7% 0.091 268.8);

Tailwind

colors: {
  custom: {
    50: '#61638b',
    500: '#1d2b5d',
    950: '#000000',
  },
}

SCSS

$custom: #1d2b5d;
$custom-light: #61638b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2b5d",
  "rgb": {
    "r": 29,
    "g": 43,
    "b": 93
  },
  "hsl": {
    "h": 226.875,
    "s": 52.459,
    "l": 23.922
  },
  "oklch": {
    "l": 0.30746,
    "c": 0.09102,
    "h": 268.8
  },
  "luminance": 0.02779
}

Semantic roles & 50–950 ramp

primary

#1D2B5D

secondary

#928144

accent

#BC4CDC

background

#F6F5F8

surface

#EBEAF0

border

#C6C6CB

text

#05050C

muted

#7A797D

Preview Lab

Preview with #1D2B5D

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

Preview Lab → · Contrast checker → · Palette generator →