#254DB4#254DB4

#254DB4 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.7% C 0.170 H 264.5°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#254DB4
RGB	rgb(37, 77, 180)
HSL	hsl(223, 66%, 43%)
HSV	hsv(223, 79%, 71%)
CMYK	cmyk(79.4%, 57.2%, 0%, 29.4%)
CIE-LAB	lab(35.97, 24.36, -58.58)
CIE-LCH	lch(35.97, 63.44, 292.58°)
OKLab	oklab(45.69% -0.0164 -0.1692)
OKLCH	oklch(45.69% 0.17 264.5)
XYZ	xyz(11.6521, 8.9950, 44.2933)
Luminance	0.0900 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#254DB4 #B48C25

analogous

#2594B4 #254DB4 #4525B4

triadic

#254DB4 #B4254D #4DB425

tetradic

#254DB4 #B42594 #B48C25 #25B445

square

#254DB4 #B42594 #B48C25 #25B445

split-complementary

#254DB4 #B44525 #94B425

monochromatic

#10224E #1B3781 #254DB4 #3F69D7 #7191E2

Accessibility & contrast

On white

7.50

#254DB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#254DB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #254DB4

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##254DB4	#FFFFFF	#000000	##FFFFFF
##254DB4	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB8

Deuteranopia (green-blind)

#004EB2

Tritanopia (blue-blind)

#006779

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #254db4;
/* rgb */ color: rgb(37, 77, 180);
/* oklch */ color: oklch(45.7% 0.170 264.5);

Tailwind

colors: {
  custom: {
    50: '#777ecb',
    500: '#254db4',
    950: '#000000',
  },
}

SCSS

$custom: #254db4;
$custom-light: #777ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#254db4",
  "rgb": {
    "r": 37,
    "g": 77,
    "b": 180
  },
  "hsl": {
    "h": 223.217,
    "s": 65.899,
    "l": 42.549
  },
  "oklch": {
    "l": 0.45691,
    "c": 0.16995,
    "h": 264.5
  },
  "luminance": 0.08996
}

Semantic roles & 50–950 ramp

primary

#254DB4

secondary

#C9AF6C

accent

#B93FE9

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #254DB4

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

Preview Lab → · Contrast checker → · Palette generator →