Nerdulator> put something in

Recognised as Colour

#253B9F

  • #253B9F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#253B9F is a blue with RGB values 37, 59, 159 and HSL 229°, 62%, 38%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#253B9F#253B9F
HEX#253B9F
RGBrgb(37, 59, 159)
RGB (0–1)0.1451, 0.2314, 0.6235
RGB percentages14.5%, 23.1%, 62.4%
HSLhsl(229.2, 62.2%, 38.4%)
HSV / HSBhsv(229.2, 76.7%, 62.4%)
CMYK76.7%, 62.9%, 0%, 37.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,440,095
CSS custom property--colour: #253B9F;

Brightness & contrast

Relative luminance0.06024WCAG 2.x, 0 is black and 1 is white
Perceived brightness73 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.52:1
Contrast with white9.52:1WCAG normal text: AAA
Contrast with black2.2:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#DAC460

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004BA2no red cones; affects about 1% of men; ΔE 13.5 from the original
Deuteranopia#00409Dno green cones; the most common form, about 1% of men; ΔE 6.9 from the original
Tritanopia#005567no blue cones; rare, and affects men and women equally; ΔE 59 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.52:1WCAG large text: AAA
Contrast with black, large text2.2:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 14.8Midnight blue · ΔE 15.7Slate blue · ΔE 17.7Rebecca purple · ΔE 17.7Royal blue · ΔE 20.4Indigo · ΔE 25.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 14.78, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9F8925
Analogous#25789F, #4C259F
Triadic#9F253B, #3B9F25
Split complementary#9F4C25, #789F25
Tetradic#9F2578, #9F8925, #259F4C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A6B2EA
Lighter +30%#7C8EE1
Lighter +20%#536BD7
Lighter +10%#2F4AC8
Darker −10%#1B2C76
Darker −20%#121C4C
Darker −30%#080D23
Darker −40%#000000
More saturated +25%#0C2BB8
Less saturated −25%#3E4B87

Channel breakdown

R37
G59
B159
Red37 (14.5%)
Green59 (23.1%)
Blue159 (62.4%)
Hue229.18°
Saturation (HSL)62.24%
Lightness38.43%
Dominant channelBlue
Hex per channelR 25 · G 3B · B 9F

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “253b9f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.