#1D266B#1D266B

#1D266B is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.9% C 0.120 H 271.7°. Best body text is #FFFFFF at 13.62:1 contrast (WCAG AA passes).

Color values

HEX	#1D266B
RGB	rgb(29, 38, 107)
HSL	hsl(233, 57%, 27%)
HSV	hsv(233, 73%, 42%)
CMYK	cmyk(72.9%, 64.5%, 0%, 58%)
CIE-LAB	lab(18.84, 21.60, -41.42)
CIE-LCH	lch(18.84, 46.72, 297.54°)
OKLab	oklab(30.89% 0.0036 -0.1195)
OKLCH	oklch(30.89% 0.12 271.7)
XYZ	xyz(3.8528, 2.7086, 14.2268)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D266B #6B621D

analogous

#1D4D6B #1D266B #3B1D6B

triadic

#1D266B #6B1D26 #266B1D

tetradic

#1D266B #6B1D4D #6B621D #1D6B3B

square

#1D266B #6B1D4D #6B621D #1D6B3B

split-complementary

#1D266B #6B3B1D #4D6B1D

monochromatic

#070918 #10153B #1D266B #2A379B #394AC9

Accessibility & contrast

On white

13.62

#1D266B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1D266B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D266B

13.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D266B	#FFFFFF	#000000	##FFFFFF
##1D266B	1.00	13.62	1.54	13.62
#FFFFFF	13.62	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00316D

Deuteranopia (green-blind)

#002A6A

Tritanopia (blue-blind)

#003744

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1d266b;
/* rgb */ color: rgb(29, 38, 107);
/* oklch */ color: oklch(30.9% 0.120 271.7);

Tailwind

colors: {
  custom: {
    50: '#656096',
    500: '#1d266b',
    950: '#000000',
  },
}

SCSS

$custom: #1d266b;
$custom-light: #656096;
$custom-dark: #000000;

JSON

{
  "hex": "#1d266b",
  "rgb": {
    "r": 29,
    "g": 38,
    "b": 107
  },
  "hsl": {
    "h": 233.077,
    "s": 57.353,
    "l": 26.667
  },
  "oklch": {
    "l": 0.30886,
    "c": 0.11955,
    "h": 271.7
  },
  "luminance": 0.02709
}

Semantic roles & 50–950 ramp

primary

#1D266B

secondary

#A09544

accent

#CF47E1

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #1D266B

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

Preview Lab → · Contrast checker → · Palette generator →