#417699
Closest named color: Dull Blue (#49759C). oklch(54.4% 0.079 239.4), rgb(65, 118, 153).
Aa
White text reads best on this color (4.91:1).
About this color
#417699 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.079 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.010 away. White text reads best on it, at 4.91:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.27:1 |
| White text | 4.91:1 |
Values
| HEX | #417699 |
| RGB | rgb(65, 118, 153) |
| HSL | hsl(204, 40%, 43%) |
| OKLCH | oklch(54.4% 0.079 239.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #417699 | 4.91:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #417699 | 4.27:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #417699 text on white | 4.91:1 | AA | Lc 73.9 | Content text, not long reading |
| #417699 text on black | 4.27:1 | AA large text | Lc -27.8 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CEDBE5
oklch(88.5% 0.02 240.8)
-
Step 300
300
#ADC4D6
oklch(80.9% 0.036 241.6)
-
Step 400
400
#80A6C1
oklch(70.7% 0.057 239.5)
-
Step 500
500
#5F90B1
oklch(63.1% 0.073 238.9)
-
Step 600
600 (this color)
#417699
oklch(54.4% 0.079 239.4)
-
Step 700
700
#366686
oklch(49.1% 0.073 239.8)
-
Step 800
800
#2D536D
oklch(42.6% 0.061 240.2)
-
Step 900
900
#294558
oklch(37.7% 0.047 239.4)
-
Step 950
950
#182934
oklch(27.1% 0.031 237.8)
#417699 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #66769B | 0.044 |
| Deuteranopia (no green cones) | #5A6D98 | 0.036 |
| Tritanopia (no blue cones) | #007F82 | 0.062 |
| Achromatopsia (no color) | #717171 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #417699
#417699
oklch(54.4% 0.079 239.4)
- #92643F
#92643F
oklch(54.3% 0.079 58.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #417699, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.010
- Cerulean #457B9D ΔE 0.016
- Metallic Blue #4F738E ΔE 0.021
- Muted Blue #3B719F ΔE 0.021
- Stormy Blue #507B9C ΔE 0.023
- Flat Blue #3C73A8 ΔE 0.028
- Sea Blue #047495 ΔE 0.036
- Ocean #017B92 ΔE 0.038
Use #417699 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.