#1A308E#1A308E

#1A308E is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.1% C 0.157 H 267.3°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#1A308E
RGB	rgb(26, 48, 142)
HSL	hsl(229, 69%, 33%)
HSV	hsv(229, 82%, 56%)
CMYK	cmyk(81.7%, 66.2%, 0%, 44.3%)
CIE-LAB	lab(24.59, 28.05, -54.21)
CIE-LCH	lch(24.59, 61.04, 297.36°)
OKLab	oklab(36.09% -0.0075 -0.1569)
OKLCH	oklch(36.09% 0.157 267.3)
XYZ	xyz(6.3637, 4.2858, 26.0778)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A308E #8E781A

analogous

#1A6A8E #1A308E #3E1A8E

triadic

#1A308E #8E1A30 #308E1A

tetradic

#1A308E #8E1A6A #8E781A #1A8E3E

square

#1A308E #8E1A6A #8E781A #1A8E3E

split-complementary

#1A308E #8E3E1A #6A8E1A

monochromatic

#070D27 #111F5A #1A308E #2341C2 #4562DD

Accessibility & contrast

On white

11.31

#1A308E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#1A308E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A308E

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A308E	#FFFFFF	#000000	##FFFFFF
##1A308E	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004091

Deuteranopia (green-blind)

#00358C

Tritanopia (blue-blind)

#00495A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1a308e;
/* rgb */ color: rgb(26, 48, 142);
/* oklch */ color: oklch(36.1% 0.157 267.3);

Tailwind

colors: {
  custom: {
    50: '#6c68b0',
    500: '#1a308e',
    950: '#000000',
  },
}

SCSS

$custom: #1a308e;
$custom-light: #6c68b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a308e",
  "rgb": {
    "r": 26,
    "g": 48,
    "b": 142
  },
  "hsl": {
    "h": 228.621,
    "s": 69.048,
    "l": 32.941
  },
  "oklch": {
    "l": 0.3609,
    "c": 0.15712,
    "h": 267.3
  },
  "luminance": 0.04287
}

Semantic roles & 50–950 ramp

primary

#1A308E

secondary

#BEA745

accent

#CB3CEC

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1A308E

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

Preview Lab → · Contrast checker → · Palette generator →