#1A389D#1A389D

#1A389D is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.1% C 0.168 H 265.8°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#1A389D
RGB	rgb(26, 56, 157)
HSL	hsl(226, 72%, 36%)
HSV	hsv(226, 83%, 62%)
CMYK	cmyk(83.4%, 64.3%, 0%, 38.4%)
CIE-LAB	lab(28.06, 28.49, -57.73)
CIE-LCH	lch(28.06, 64.38, 296.27°)
OKLab	oklab(39.08% -0.0122 -0.1671)
OKLCH	oklch(39.08% 0.168 265.8)
XYZ	xyz(7.9238, 5.4813, 32.5321)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A389D #9D7F1A

analogous

#1A799D #1A389D #3E1A9D

triadic

#1A389D #9D1A38 #389D1A

tetradic

#1A389D #9D1A79 #9D7F1A #1A9D3E

square

#1A389D #9D1A79 #9D7F1A #1A9D3E

split-complementary

#1A389D #9D3E1A #799D1A

monochromatic

#091334 #112568 #1A389D #234BD2 #4F71E2

Accessibility & contrast

On white

10.02

#1A389D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#1A389D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A389D

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A389D	#FFFFFF	#000000	##FFFFFF
##1A389D	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A0

Deuteranopia (green-blind)

#003C9B

Tritanopia (blue-blind)

#005365

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1a389d;
/* rgb */ color: rgb(26, 56, 157);
/* oklch */ color: oklch(39.1% 0.168 265.8);

Tailwind

colors: {
  custom: {
    50: '#6f6ebb',
    500: '#1a389d',
    950: '#000000',
  },
}

SCSS

$custom: #1a389d;
$custom-light: #6f6ebb;
$custom-dark: #000000;

JSON

{
  "hex": "#1a389d",
  "rgb": {
    "r": 26,
    "g": 56,
    "b": 157
  },
  "hsl": {
    "h": 226.26,
    "s": 71.585,
    "l": 35.882
  },
  "oklch": {
    "l": 0.39076,
    "c": 0.1676,
    "h": 265.8
  },
  "luminance": 0.05482
}

Semantic roles & 50–950 ramp

primary

#1A389D

secondary

#C4A94E

accent

#C539EE

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #1A389D

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

Preview Lab → · Contrast checker → · Palette generator →