#1A488B#1A488B

#1A488B is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.0% C 0.122 H 258.3°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#1A488B
RGB	rgb(26, 72, 139)
HSL	hsl(216, 68%, 32%)
HSV	hsv(216, 81%, 55%)
CMYK	cmyk(81.3%, 48.2%, 0%, 45.5%)
CIE-LAB	lab(31.15, 10.27, -41.70)
CIE-LCH	lch(31.15, 42.94, 283.83°)
OKLab	oklab(40.96% -0.0248 -0.1198)
OKLCH	oklch(40.96% 0.122 258.3)
XYZ	xyz(7.4019, 6.7175, 25.3276)
Luminance	0.0672 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A488B #8B5D1A

analogous

#1A818B #1A488B #241A8B

triadic

#1A488B #8B1A48 #488B1A

tetradic

#1A488B #8B1A81 #8B5D1A #1A8B24

square

#1A488B #8B1A81 #8B5D1A #1A8B24

split-complementary

#1A488B #8B241A #818B1A

monochromatic

#071324 #102D57 #1A488B #2463BF #4382DC

Accessibility & contrast

On white

8.96

#1A488B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#1A488B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A488B

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A488B	#FFFFFF	#000000	##FFFFFF
##1A488B	1.00	8.96	2.34	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234F8E

Deuteranopia (green-blind)

#02458A

Tritanopia (blue-blind)

#005862

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1a488b;
/* rgb */ color: rgb(26, 72, 139);
/* oklch */ color: oklch(41.0% 0.122 258.3);

Tailwind

colors: {
  custom: {
    50: '#6a7aad',
    500: '#1a488b',
    950: '#000000',
  },
}

SCSS

$custom: #1a488b;
$custom-light: #6a7aad;
$custom-dark: #000000;

JSON

{
  "hex": "#1a488b",
  "rgb": {
    "r": 26,
    "g": 72,
    "b": 139
  },
  "hsl": {
    "h": 215.575,
    "s": 68.485,
    "l": 32.353
  },
  "oklch": {
    "l": 0.40962,
    "c": 0.1223,
    "h": 258.3
  },
  "luminance": 0.06718
}

Semantic roles & 50–950 ramp

primary

#1A488B

secondary

#BD8C44

accent

#A43CEB

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #1A488B

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

Preview Lab → · Contrast checker → · Palette generator →