Nerdulator> put something in

Recognised as Colour

#03598B

  • #03598B
  • Blue
  • Dark
  • Nearest: Steel blue

#03598B is a blue with RGB values 3, 89, 139 and HSL 202°, 96%, 28%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#03598B#03598B
HEX#03598B
RGBrgb(3, 89, 139)
RGB (0–1)0.0118, 0.349, 0.5451
RGB percentages1.2%, 34.9%, 54.5%
HSLhsl(202.1, 95.8%, 27.8%)
HSV / HSBhsv(202.1, 97.8%, 54.5%)
CMYK97.8%, 36%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer219,531
CSS custom property--colour: #03598B;

Brightness & contrast

Relative luminance0.09028WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.48:1
Contrast with white7.48:1WCAG normal text: AAA
Contrast with black2.81:1WCAG normal text: Fail
Greyscale equivalent#4A4A4A
Inverted#FCA674

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#415B8Dno red cones; affects about 1% of men; ΔE 9.3 from the original
Deuteranopia#2E508Ano green cones; the most common form, about 1% of men; ΔE 10.6 from the original
Tritanopia#00656Bno blue cones; rare, and affects men and women equally; ΔE 30.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.48:1WCAG large text: AAA
Contrast with black, large text2.81:1WCAG large text: Fail

Named colours

Steel blue · ΔE 16.6Slate grey · ΔE 28.8Light slate grey · ΔE 30.3Dark slateblue · ΔE 30.4Dark slate grey · ΔE 31.9Cornflower blue · ΔE 32.4
Nearest named CSS colourSteel blue (#4682B4)ΔE 16.57, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8B3503
Analogous#038B79, #03158B
Triadic#8B0359, #598B03
Split complementary#8B0315, #8B7903
Tetradic#79038B, #8B3503, #158B03

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5EC2FC
Lighter +30%#2DAFFA
Lighter +20%#0599EF
Lighter +10%#0479BD
Darker −10%#023959
Darker −20%#011927
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005A8E
Less saturated −25%#155479

Channel breakdown

R3
G89
B139
Red3 (1.2%)
Green89 (34.9%)
Blue139 (54.5%)
Hue202.06°
Saturation (HSL)95.77%
Lightness27.84%
Dominant channelBlue
Hex per channelR 03 · G 59 · B 8B

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 “03598b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.