#1D438E#1D438E

#1D438E is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.2% C 0.132 H 262.1°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#1D438E
RGB	rgb(29, 67, 142)
HSL	hsl(220, 66%, 34%)
HSV	hsv(220, 80%, 56%)
CMYK	cmyk(79.6%, 52.8%, 0%, 44.3%)
CIE-LAB	lab(29.98, 15.26, -45.43)
CIE-LCH	lch(29.98, 47.93, 288.57°)
OKLab	oklab(40.16% -0.0182 -0.1308)
OKLCH	oklch(40.16% 0.132 262.1)
XYZ	xyz(7.3946, 6.2277, 26.3983)
Luminance	0.0623 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D438E #8E681D

analogous

#1D7B8E #1D438E #2F1D8E

triadic

#1D438E #8E1D43 #438E1D

tetradic

#1D438E #8E1D7B #8E681D #1D8E2F

square

#1D438E #8E1D7B #8E681D #1D8E2F

split-complementary

#1D438E #8E2F1D #7B8E1D

monochromatic

#081328 #132B5B #1D438E #275BC1 #4B7BDA

Accessibility & contrast

On white

9.35

#1D438E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#1D438E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D438E

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D438E	#FFFFFF	#000000	##FFFFFF
##1D438E	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#114C91

Deuteranopia (green-blind)

#00428D

Tritanopia (blue-blind)

#005562

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1d438e;
/* rgb */ color: rgb(29, 67, 142);
/* oklch */ color: oklch(40.2% 0.132 262.1);

Tailwind

colors: {
  custom: {
    50: '#6c76b0',
    500: '#1d438e',
    950: '#000000',
  },
}

SCSS

$custom: #1d438e;
$custom-light: #6c76b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d438e",
  "rgb": {
    "r": 29,
    "g": 67,
    "b": 142
  },
  "hsl": {
    "h": 219.823,
    "s": 66.082,
    "l": 33.529
  },
  "oklch": {
    "l": 0.40158,
    "c": 0.13208,
    "h": 262.1
  },
  "luminance": 0.06229
}

Semantic roles & 50–950 ramp

primary

#1D438E

secondary

#BD964A

accent

#B03FE9

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1D438E

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

Preview Lab → · Contrast checker → · Palette generator →