#254D8B#254D8B

#254D8B is a dark, moderate blue. Relative luminance 0.076; OKLCH L 42.5% C 0.113 H 259.0°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#254D8B
RGB	rgb(37, 77, 139)
HSL	hsl(216, 58%, 35%)
HSV	hsv(216, 73%, 55%)
CMYK	cmyk(73.4%, 44.6%, 0%, 45.5%)
CIE-LAB	lab(33.06, 8.35, -38.62)
CIE-LCH	lch(33.06, 39.52, 282.20°)
OKLab	oklab(42.54% -0.0216 -0.1105)
OKLCH	oklch(42.54% 0.113 259)
XYZ	xyz(8.0753, 7.5643, 25.4556)
Luminance	0.0756 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#254D8B #8B6325

analogous

#25808B #254D8B #30258B

triadic

#254D8B #8B254D #4D8B25

tetradic

#254D8B #8B2580 #8B6325 #258B30

square

#254D8B #8B2580 #8B6325 #258B30

split-complementary

#254D8B #8B3025 #808B25

monochromatic

#0B172A #18325B #254D8B #3268BB #5888D3

Accessibility & contrast

On white

8.36

#254D8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#254D8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #254D8B

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##254D8B	#FFFFFF	#000000	##FFFFFF
##254D8B	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F538D

Deuteranopia (green-blind)

#1C498A

Tritanopia (blue-blind)

#005B65

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #254d8b;
/* rgb */ color: rgb(37, 77, 139);
/* oklch */ color: oklch(42.5% 0.113 259.0);

Tailwind

colors: {
  custom: {
    50: '#6d7ead',
    500: '#254d8b',
    950: '#000000',
  },
}

SCSS

$custom: #254d8b;
$custom-light: #6d7ead;
$custom-dark: #000000;

JSON

{
  "hex": "#254d8b",
  "rgb": {
    "r": 37,
    "g": 77,
    "b": 139
  },
  "hsl": {
    "h": 216.471,
    "s": 57.955,
    "l": 34.51
  },
  "oklch": {
    "l": 0.42541,
    "c": 0.11254,
    "h": 259
  },
  "luminance": 0.07565
}

Semantic roles & 50–950 ramp

primary

#254D8B

secondary

#B79055

accent

#A547E1

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #254D8B

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

Preview Lab → · Contrast checker → · Palette generator →