#717FB3
Closest named color: Dusty Blue (#5A86AD). oklch(60.6% 0.081 272.2), rgb(113, 127, 179).
Aa
Black text reads best on this color (5.38:1).
About this color
#717FB3 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.081 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.036 away. Black text reads best on it, at 5.38:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.38:1 |
| White text | 3.89:1 |
Values
| HEX | #717FB3 |
| RGB | rgb(113, 127, 179) |
| HSL | hsl(227, 30%, 57%) |
| OKLCH | oklch(60.6% 0.081 272.2) |
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 #717FB3 | 3.89:1 | AA large text | Lc -71.9 | Content text, not long reading |
| Black text on #717FB3 | 5.38:1 | AA | Lc 37.7 | Non-text elements, placeholder text |
| #717FB3 text on white | 3.89:1 | AA large text | Lc 66.4 | Content text, not long reading |
| #717FB3 text on black | 5.38:1 | AA | Lc -35.3 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF2
oklch(93.7% 0.011 269.5)
-
Step 200
200
#D4D9E8
oklch(88.6% 0.021 271.2)
-
Step 300
300
#B7C0DB
oklch(80.9% 0.039 270.9)
-
Step 400
400
#939FC9
oklch(70.8% 0.063 272.3)
-
Step 500
500 (this color)
#717FB3
oklch(60.6% 0.081 272.2)
-
Step 600
600
#6170A7
oklch(55.6% 0.088 271.7)
-
Step 700
700
#515D8F
oklch(49% 0.082 272.8)
-
Step 800
800
#424C74
oklch(42.6% 0.068 272.5)
-
Step 900
900
#38405E
oklch(37.8% 0.053 272.2)
-
Step 950
950
#212537
oklch(26.9% 0.034 274.3)
#717FB3 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) | #6E84B5 | 0.014 |
| Deuteranopia (no green cones) | #697EB2 | 0.011 |
| Tritanopia (no blue cones) | #5D8991 | 0.073 |
| Achromatopsia (no color) | #818181 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #717FB3
#717FB3
oklch(60.6% 0.081 272.2)
- #938146
#938146
oklch(60.6% 0.082 92.9)
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 #717FB3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.036
- Faded Blue #658CBB ΔE 0.036
- Off Blue #5684AE ΔE 0.036
- Lavender Gray #7E7F9A ΔE 0.042
- Cool Blue #4984B8 ΔE 0.045
- Silver Lake Blue #778DA9 ΔE 0.048
- Steel Blue #4682B4 ΔE 0.048
- Blue Grey #758DA3 ΔE 0.053
Use #717FB3 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.