#1A4583#1A4583

#1A4583 is a dark, moderate blue. Relative luminance 0.061; OKLCH L 39.7% C 0.115 H 258.1°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#1A4583
RGB	rgb(26, 69, 131)
HSL	hsl(215, 67%, 31%)
HSV	hsv(215, 80%, 51%)
CMYK	cmyk(80.2%, 47.3%, 0%, 48.6%)
CIE-LAB	lab(29.70, 9.05, -39.10)
CIE-LCH	lch(29.70, 40.13, 283.03°)
OKLab	oklab(39.66% -0.0237 -0.1122)
OKLCH	oklch(39.66% 0.115 258.1)
XYZ	xyz(6.6494, 6.1138, 22.2980)
Luminance	0.0612 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4583 #83581A

analogous

#1A7983 #1A4583 #241A83

triadic

#1A4583 #831A45 #45831A

tetradic

#1A4583 #831A79 #83581A #1A8324

square

#1A4583 #831A79 #83581A #1A8324

split-complementary

#1A4583 #83241A #79831A

monochromatic

#060F1D #102A50 #1A4583 #2460B6 #3F7ED9

Accessibility & contrast

On white

9.45

#1A4583 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#1A4583 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4583

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4583	#FFFFFF	#000000	##FFFFFF
##1A4583	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244B85

Deuteranopia (green-blind)

#0B4282

Tritanopia (blue-blind)

#00545D

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1a4583;
/* rgb */ color: rgb(26, 69, 131);
/* oklch */ color: oklch(39.7% 0.115 258.1);

Tailwind

colors: {
  custom: {
    50: '#6878a7',
    500: '#1a4583',
    950: '#000000',
  },
}

SCSS

$custom: #1a4583;
$custom-light: #6878a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4583",
  "rgb": {
    "r": 26,
    "g": 69,
    "b": 131
  },
  "hsl": {
    "h": 215.429,
    "s": 66.879,
    "l": 30.784
  },
  "oklch": {
    "l": 0.39664,
    "c": 0.11464,
    "h": 258.1
  },
  "luminance": 0.06115
}

Semantic roles & 50–950 ramp

primary

#1A4583

secondary

#B78742

accent

#A33EEA

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1A4583

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

Preview Lab → · Contrast checker → · Palette generator →