#1A407B#1A407B

#1A407B is a dark, moderate blue. Relative luminance 0.053; OKLCH L 37.9% C 0.109 H 259.1°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#1A407B
RGB	rgb(26, 64, 123)
HSL	hsl(216, 65%, 29%)
HSV	hsv(216, 79%, 48%)
CMYK	cmyk(78.9%, 48%, 0%, 51.8%)
CIE-LAB	lab(27.62, 9.22, -37.44)
CIE-LCH	lch(27.62, 38.56, 283.84°)
OKLab	oklab(37.88% -0.0207 -0.1074)
OKLCH	oklch(37.88% 0.109 259.1)
XYZ	xyz(5.8332, 5.3158, 19.4537)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A407B #7B551A

analogous

#1A717B #1A407B #251A7B

triadic

#1A407B #7B1A40 #407B1A

tetradic

#1A407B #7B1A71 #7B551A #1A7B25

square

#1A407B #7B1A71 #7B551A #1A7B25

split-complementary

#1A407B #7B251A #717B1A

monochromatic

#050D19 #0F2648 #1A407B #255AAE #3A77D5

Accessibility & contrast

On white

10.18

#1A407B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#1A407B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A407B

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A407B	#FFFFFF	#000000	##FFFFFF
##1A407B	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21467D

Deuteranopia (green-blind)

#093D7A

Tritanopia (blue-blind)

#004E57

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1a407b;
/* rgb */ color: rgb(26, 64, 123);
/* oklch */ color: oklch(37.9% 0.109 259.1);

Tailwind

colors: {
  custom: {
    50: '#6674a2',
    500: '#1a407b',
    950: '#000000',
  },
}

SCSS

$custom: #1a407b;
$custom-light: #6674a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1a407b",
  "rgb": {
    "r": 26,
    "g": 64,
    "b": 123
  },
  "hsl": {
    "h": 216.495,
    "s": 65.101,
    "l": 29.216
  },
  "oklch": {
    "l": 0.37884,
    "c": 0.10939,
    "h": 259.1
  },
  "luminance": 0.05316
}

Semantic roles & 50–950 ramp

primary

#1A407B

secondary

#AF8442

accent

#A640E8

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1A407B

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

Preview Lab → · Contrast checker → · Palette generator →