#1E307B#1E307B

#1E307B is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.5% C 0.129 H 268.4°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#1E307B
RGB	rgb(30, 48, 123)
HSL	hsl(228, 61%, 30%)
HSV	hsv(228, 76%, 48%)
CMYK	cmyk(75.6%, 61%, 0%, 51.8%)
CIE-LAB	lab(23.07, 21.02, -44.80)
CIE-LCH	lch(23.07, 49.48, 295.13°)
OKLab	oklab(34.48% -0.0036 -0.1293)
OKLCH	oklch(34.48% 0.129 268.4)
XYZ	xyz(5.1663, 3.8194, 19.2000)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E307B #7B691E

analogous

#1E5F7B #1E307B #3A1E7B

triadic

#1E307B #7B1E30 #307B1E

tetradic

#1E307B #7B1E5F #7B691E #1E7B3A

square

#1E307B #7B1E5F #7B691E #1E7B3A

split-complementary

#1E307B #7B3A1E #5F7B1E

monochromatic

#060A19 #121D4A #1E307B #2A43AC #425ED1

Accessibility & contrast

On white

11.90

#1E307B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1E307B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E307B

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E307B	#FFFFFF	#000000	##FFFFFF
##1E307B	1.00	11.90	1.76	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7E

Deuteranopia (green-blind)

#00337A

Tritanopia (blue-blind)

#004350

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1e307b;
/* rgb */ color: rgb(30, 48, 123);
/* oklch */ color: oklch(34.5% 0.129 268.4);

Tailwind

colors: {
  custom: {
    50: '#6868a2',
    500: '#1e307b',
    950: '#000000',
  },
}

SCSS

$custom: #1e307b;
$custom-light: #6868a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e307b",
  "rgb": {
    "r": 30,
    "g": 48,
    "b": 123
  },
  "hsl": {
    "h": 228.387,
    "s": 60.784,
    "l": 30
  },
  "oklch": {
    "l": 0.34478,
    "c": 0.12931,
    "h": 268.4
  },
  "luminance": 0.0382
}

Semantic roles & 50–950 ramp

primary

#1E307B

secondary

#AE9A46

accent

#C544E4

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1E307B

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

Preview Lab → · Contrast checker → · Palette generator →