#254F8A#254F8A

#254F8A is a dark, moderate blue. Relative luminance 0.078; OKLCH L 42.9% C 0.109 H 257.4°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#254F8A
RGB	rgb(37, 79, 138)
HSL	hsl(215, 58%, 34%)
HSV	hsv(215, 73%, 54%)
CMYK	cmyk(73.2%, 42.8%, 0%, 45.9%)
CIE-LAB	lab(33.60, 6.63, -37.14)
CIE-LCH	lch(33.60, 37.73, 280.12°)
OKLab	oklab(42.94% -0.0237 -0.1061)
OKLCH	oklch(42.94% 0.109 257.4)
XYZ	xyz(8.1447, 7.8194, 25.1199)
Luminance	0.0782 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#254F8A #8A6025

analogous

#25818A #254F8A #2E258A

triadic

#254F8A #8A254F #4F8A25

tetradic

#254F8A #8A2581 #8A6025 #258A2E

square

#254F8A #8A2581 #8A6025 #258A2E

split-complementary

#254F8A #8A2E25 #818A25

monochromatic

#0B1829 #18335A #254F8A #326BBA #578AD2

Accessibility & contrast

On white

8.19

#254F8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#254F8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #254F8A

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##254F8A	#FFFFFF	#000000	##FFFFFF
##254F8A	1.00	8.19	2.56	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33548C

Deuteranopia (green-blind)

#224B89

Tritanopia (blue-blind)

#005D65

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #254f8a;
/* rgb */ color: rgb(37, 79, 138);
/* oklch */ color: oklch(42.9% 0.109 257.4);

Tailwind

colors: {
  custom: {
    50: '#6d7fac',
    500: '#254f8a',
    950: '#000000',
  },
}

SCSS

$custom: #254f8a;
$custom-light: #6d7fac;
$custom-dark: #000000;

JSON

{
  "hex": "#254f8a",
  "rgb": {
    "r": 37,
    "g": 79,
    "b": 138
  },
  "hsl": {
    "h": 215.05,
    "s": 57.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.42943,
    "c": 0.10868,
    "h": 257.4
  },
  "luminance": 0.0782
}

Semantic roles & 50–950 ramp

primary

#254F8A

secondary

#B78E54

accent

#A147E1

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #254F8A

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

Preview Lab → · Contrast checker → · Palette generator →