#254E8B#254E8B

#254E8B is a dark, moderate blue. Relative luminance 0.077; OKLCH L 42.8% C 0.111 H 258.3°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#254E8B
RGB	rgb(37, 78, 139)
HSL	hsl(216, 58%, 35%)
HSV	hsv(216, 73%, 55%)
CMYK	cmyk(73.4%, 43.9%, 0%, 45.5%)
CIE-LAB	lab(33.36, 7.68, -38.14)
CIE-LCH	lch(33.36, 38.91, 281.39°)
OKLab	oklab(42.78% -0.0225 -0.109)
OKLCH	oklch(42.78% 0.111 258.3)
XYZ	xyz(8.1458, 7.7053, 25.4791)
Luminance	0.0771 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#254E8B #8B6225

analogous

#25818B #254E8B #2F258B

triadic

#254E8B #8B254E #4E8B25

tetradic

#254E8B #8B2581 #8B6225 #258B2F

square

#254E8B #8B2581 #8B6225 #258B2F

split-complementary

#254E8B #8B2F25 #818B25

monochromatic

#0B182A #18335B #254E8B #3269BB #5889D3

Accessibility & contrast

On white

8.26

#254E8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#254E8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #254E8B

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##254E8B	#FFFFFF	#000000	##FFFFFF
##254E8B	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#30548D

Deuteranopia (green-blind)

#1F4A8A

Tritanopia (blue-blind)

#005C65

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #254e8b;
/* rgb */ color: rgb(37, 78, 139);
/* oklch */ color: oklch(42.8% 0.111 258.3);

Tailwind

colors: {
  custom: {
    50: '#6d7fad',
    500: '#254e8b',
    950: '#000000',
  },
}

SCSS

$custom: #254e8b;
$custom-light: #6d7fad;
$custom-dark: #000000;

JSON

{
  "hex": "#254e8b",
  "rgb": {
    "r": 37,
    "g": 78,
    "b": 139
  },
  "hsl": {
    "h": 215.882,
    "s": 57.955,
    "l": 34.51
  },
  "oklch": {
    "l": 0.42775,
    "c": 0.11132,
    "h": 258.3
  },
  "luminance": 0.07706
}

Semantic roles & 50–950 ramp

primary

#254E8B

secondary

#B79055

accent

#A347E1

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #254E8B

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

Preview Lab → · Contrast checker → · Palette generator →