#1A458F#1A458F

#1A458F is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.6% C 0.132 H 260.5°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#1A458F
RGB	rgb(26, 69, 143)
HSL	hsl(218, 69%, 33%)
HSV	hsv(218, 82%, 56%)
CMYK	cmyk(81.8%, 51.7%, 0%, 43.9%)
CIE-LAB	lab(30.54, 13.95, -45.15)
CIE-LCH	lch(30.54, 47.26, 287.17°)
OKLab	oklab(40.58% -0.0217 -0.13)
OKLCH	oklch(40.58% 0.132 260.5)
XYZ	xyz(7.5102, 6.4581, 26.8320)
Luminance	0.0646 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A458F #8F641A

analogous

#1A7F8F #1A458F #2A1A8F

triadic

#1A458F #8F1A45 #458F1A

tetradic

#1A458F #8F1A7F #8F641A #1A8F2A

square

#1A458F #8F1A7F #8F641A #1A8F2A

split-complementary

#1A458F #8F2A1A #7F8F1A

monochromatic

#071327 #112C5B #1A458F #235EC3 #467EDD

Accessibility & contrast

On white

9.16

#1A458F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#1A458F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A458F

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A458F	#FFFFFF	#000000	##FFFFFF
##1A458F	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#164E92

Deuteranopia (green-blind)

#00438E

Tritanopia (blue-blind)

#005763

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1a458f;
/* rgb */ color: rgb(26, 69, 143);
/* oklch */ color: oklch(40.6% 0.132 260.5);

Tailwind

colors: {
  custom: {
    50: '#6b78b0',
    500: '#1a458f',
    950: '#000000',
  },
}

SCSS

$custom: #1a458f;
$custom-light: #6b78b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a458f",
  "rgb": {
    "r": 26,
    "g": 69,
    "b": 143
  },
  "hsl": {
    "h": 217.949,
    "s": 69.231,
    "l": 33.137
  },
  "oklch": {
    "l": 0.40581,
    "c": 0.13178,
    "h": 260.5
  },
  "luminance": 0.06459
}

Semantic roles & 50–950 ramp

primary

#1A458F

secondary

#BF9246

accent

#AB3CEC

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1A458F

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

Preview Lab → · Contrast checker → · Palette generator →