#1E53A8#1E53A8

#1E53A8 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 45.8% C 0.148 H 259.7°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#1E53A8
RGB	rgb(30, 83, 168)
HSL	hsl(217, 70%, 39%)
HSV	hsv(217, 82%, 66%)
CMYK	cmyk(82.1%, 50.6%, 0%, 34.1%)
CIE-LAB	lab(36.53, 14.94, -50.57)
CIE-LCH	lch(36.53, 52.73, 286.46°)
OKLab	oklab(45.77% -0.0264 -0.1456)
OKLCH	oklch(45.77% 0.148 259.7)
XYZ	xyz(10.6940, 9.2884, 38.2674)
Luminance	0.0929 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E53A8 #A8731E

analogous

#1E98A8 #1E53A8 #2E1EA8

triadic

#1E53A8 #A81E53 #53A81E

tetradic

#1E53A8 #A81E98 #A8731E #1EA82E

square

#1E53A8 #A81E98 #A8731E #1EA82E

split-complementary

#1E53A8 #A82E1E #98A81E

monochromatic

#0B2040 #153974 #1E53A8 #2A6DD9 #5E91E2

Accessibility & contrast

On white

7.35

#1E53A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#1E53A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E53A8

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E53A8	#FFFFFF	#000000	##FFFFFF
##1E53A8	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E5DAB

Deuteranopia (green-blind)

#0050A6

Tritanopia (blue-blind)

#006875

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1e53a8;
/* rgb */ color: rgb(30, 83, 168);
/* oklch */ color: oklch(45.8% 0.148 259.7);

Tailwind

colors: {
  custom: {
    50: '#7282c2',
    500: '#1e53a8',
    950: '#000000',
  },
}

SCSS

$custom: #1e53a8;
$custom-light: #7282c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e53a8",
  "rgb": {
    "r": 30,
    "g": 83,
    "b": 168
  },
  "hsl": {
    "h": 216.957,
    "s": 69.697,
    "l": 38.824
  },
  "oklch": {
    "l": 0.4577,
    "c": 0.14795,
    "h": 259.7
  },
  "luminance": 0.0929
}

Semantic roles & 50–950 ramp

primary

#1E53A8

secondary

#C79D5B

accent

#A83BED

background

#F7F7FC

surface

#EDEEF8

border

#C8C9D1

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1E53A8

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

Preview Lab → · Contrast checker → · Palette generator →