#245FB5#245FB5

#245FB5 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.6% C 0.149 H 258.4°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#245FB5
RGB	rgb(36, 95, 181)
HSL	hsl(216, 67%, 43%)
HSV	hsv(216, 80%, 71%)
CMYK	cmyk(80.1%, 47.5%, 0%, 29%)
CIE-LAB	lab(41.05, 12.76, -50.96)
CIE-LCH	lch(41.05, 52.53, 284.05°)
OKLab	oklab(49.57% -0.0302 -0.1464)
OKLCH	oklch(49.57% 0.149 258.4)
XYZ	xyz(13.1572, 11.8941, 45.3095)
Luminance	0.1190 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#245FB5 #B57A24

analogous

#24A8B5 #245FB5 #3124B5

triadic

#245FB5 #B5245F #5FB524

tetradic

#245FB5 #B524A8 #B57A24 #24B531

square

#245FB5 #B524A8 #B57A24 #24B531

split-complementary

#245FB5 #B53124 #A8B524

monochromatic

#10294F #1A4482 #245FB5 #3E7DD9 #719FE3

Accessibility & contrast

On white

6.21

#245FB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#245FB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #245FB5

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##245FB5	#FFFFFF	#000000	##FFFFFF
##245FB5	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F68B8

Deuteranopia (green-blind)

#005BB3

Tritanopia (blue-blind)

#007481

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #245fb5;
/* rgb */ color: rgb(36, 95, 181);
/* oklch */ color: oklch(49.6% 0.149 258.4);

Tailwind

colors: {
  custom: {
    50: '#768bcc',
    500: '#245fb5',
    950: '#000000',
  },
}

SCSS

$custom: #245fb5;
$custom-light: #768bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#245fb5",
  "rgb": {
    "r": 36,
    "g": 95,
    "b": 181
  },
  "hsl": {
    "h": 215.586,
    "s": 66.82,
    "l": 42.549
  },
  "oklch": {
    "l": 0.49568,
    "c": 0.14949,
    "h": 258.4
  },
  "luminance": 0.11896
}

Semantic roles & 50–950 ramp

primary

#245FB5

secondary

#C9A36B

accent

#A43EEA

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #245FB5

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

Preview Lab → · Contrast checker → · Palette generator →