#245AB3#245AB3

#245AB3 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.3% C 0.153 H 260.0°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#245AB3
RGB	rgb(36, 90, 179)
HSL	hsl(217, 67%, 42%)
HSV	hsv(217, 80%, 70%)
CMYK	cmyk(79.9%, 49.7%, 0%, 29.8%)
CIE-LAB	lab(39.48, 15.25, -52.31)
CIE-LCH	lch(39.48, 54.49, 286.25°)
OKLab	oklab(48.32% -0.0266 -0.1505)
OKLCH	oklch(48.32% 0.153 260)
XYZ	xyz(12.5174, 10.9406, 44.0911)
Luminance	0.1094 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#245AB3 #B37D24

analogous

#24A2B3 #245AB3 #3624B3

triadic

#245AB3 #B3245A #5AB324

tetradic

#245AB3 #B324A2 #B37D24 #24B336

square

#245AB3 #B324A2 #B37D24 #24B336

split-complementary

#245AB3 #B33624 #A2B324

monochromatic

#10274D #1A4080 #245AB3 #3C77D8 #6F9BE2

Accessibility & contrast

On white

6.59

#245AB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#245AB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #245AB3

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##245AB3	#FFFFFF	#000000	##FFFFFF
##245AB3	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2464B6

Deuteranopia (green-blind)

#0057B1

Tritanopia (blue-blind)

#006F7E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #245ab3;
/* rgb */ color: rgb(36, 90, 179);
/* oklch */ color: oklch(48.3% 0.153 260.0);

Tailwind

colors: {
  custom: {
    50: '#7688ca',
    500: '#245ab3',
    950: '#000000',
  },
}

SCSS

$custom: #245ab3;
$custom-light: #7688ca;
$custom-dark: #000000;

JSON

{
  "hex": "#245ab3",
  "rgb": {
    "r": 36,
    "g": 90,
    "b": 179
  },
  "hsl": {
    "h": 217.343,
    "s": 66.512,
    "l": 42.157
  },
  "oklch": {
    "l": 0.48321,
    "c": 0.15282,
    "h": 260
  },
  "luminance": 0.10942
}

Semantic roles & 50–950 ramp

primary

#245AB3

secondary

#C9A56A

accent

#A93EE9

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #245AB3

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

Preview Lab → · Contrast checker → · Palette generator →