#1A458C#1A458C

#1A458C is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.3% C 0.128 H 260.0°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#1A458C
RGB	rgb(26, 69, 140)
HSL	hsl(217, 69%, 33%)
HSV	hsv(217, 81%, 55%)
CMYK	cmyk(81.4%, 50.7%, 0%, 45.1%)
CIE-LAB	lab(30.32, 12.73, -43.65)
CIE-LCH	lch(30.32, 45.47, 286.26°)
OKLab	oklab(40.35% -0.0221 -0.1256)
OKLCH	oklch(40.35% 0.128 260)
XYZ	xyz(7.2860, 6.3684, 25.6511)
Luminance	0.0637 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A458C #8C611A

analogous

#1A7E8C #1A458C #281A8C

triadic

#1A458C #8C1A45 #458C1A

tetradic

#1A458C #8C1A7E #8C611A #1A8C28

square

#1A458C #8C1A7E #8C611A #1A8C28

split-complementary

#1A458C #8C281A #7E8C1A

monochromatic

#071225 #102C58 #1A458C #245EC0 #447EDC

Accessibility & contrast

On white

9.24

#1A458C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#1A458C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A458C

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A458C	#FFFFFF	#000000	##FFFFFF
##1A458C	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A4D8F

Deuteranopia (green-blind)

#00438B

Tritanopia (blue-blind)

#005662

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1a458c;
/* rgb */ color: rgb(26, 69, 140);
/* oklch */ color: oklch(40.3% 0.128 260.0);

Tailwind

colors: {
  custom: {
    50: '#6a78ae',
    500: '#1a458c',
    950: '#000000',
  },
}

SCSS

$custom: #1a458c;
$custom-light: #6a78ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1a458c",
  "rgb": {
    "r": 26,
    "g": 69,
    "b": 140
  },
  "hsl": {
    "h": 217.368,
    "s": 68.675,
    "l": 32.549
  },
  "oklch": {
    "l": 0.40346,
    "c": 0.12752,
    "h": 260
  },
  "luminance": 0.06369
}

Semantic roles & 50–950 ramp

primary

#1A458C

secondary

#BE9044

accent

#A93CEC

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1A458C

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

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