#254F8F#254F8F

#254F8F is a dark, moderate blue. Relative luminance 0.080; OKLCH L 43.3% C 0.116 H 258.7°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#254F8F
RGB	rgb(37, 79, 143)
HSL	hsl(216, 59%, 35%)
HSV	hsv(216, 74%, 56%)
CMYK	cmyk(74.1%, 44.8%, 0%, 43.9%)
CIE-LAB	lab(33.92, 8.58, -39.70)
CIE-LCH	lch(33.92, 40.62, 282.19°)
OKLab	oklab(43.29% -0.0227 -0.1136)
OKLCH	oklch(43.29% 0.116 258.7)
XYZ	xyz(8.5151, 7.9675, 27.0704)
Luminance	0.0797 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#254F8F #8F6525

analogous

#25848F #254F8F #30258F

triadic

#254F8F #8F254F #4F8F25

tetradic

#254F8F #8F2584 #8F6525 #258F30

square

#254F8F #8F2584 #8F6525 #258F30

split-complementary

#254F8F #8F3025 #848F25

monochromatic

#0C192E #18345E #254F8F #326AC0 #5A8BD4

Accessibility & contrast

On white

8.10

#254F8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#254F8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #254F8F

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##254F8F	#FFFFFF	#000000	##FFFFFF
##254F8F	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5591

Deuteranopia (green-blind)

#1C4B8E

Tritanopia (blue-blind)

#005E68

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #254f8f;
/* rgb */ color: rgb(37, 79, 143);
/* oklch */ color: oklch(43.3% 0.116 258.7);

Tailwind

colors: {
  custom: {
    50: '#6e7fb0',
    500: '#254f8f',
    950: '#000000',
  },
}

SCSS

$custom: #254f8f;
$custom-light: #6e7fb0;
$custom-dark: #000000;

JSON

{
  "hex": "#254f8f",
  "rgb": {
    "r": 37,
    "g": 79,
    "b": 143
  },
  "hsl": {
    "h": 216.226,
    "s": 58.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.43285,
    "c": 0.11582,
    "h": 258.7
  },
  "luminance": 0.07968
}

Semantic roles & 50–950 ramp

primary

#254F8F

secondary

#B99257

accent

#A446E2

background

#F7F7FA

surface

#EDEEF5

border

#C8C9CF

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #254F8F

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

Preview Lab → · Contrast checker → · Palette generator →