#717DA7
Closest named color: Lavender Gray (#7E7F9A). oklch(59.6% 0.066 272), rgb(113, 125, 167).
Aa
Black text reads best on this color (5.19:1).
About this color
#717DA7 is a medium-dark, muted blue. In OKLCH its lightness is 60%, its chroma 0.066 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Gray (#7E7F9A), ΔE 0.029 away. Black text reads best on it, at 5.19:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Lavender Gray (#7E7F9A) |
| Black text | 5.19:1 |
| White text | 4.04:1 |
Values
| HEX | #717DA7 |
| RGB | rgb(113, 125, 167) |
| HSL | hsl(227, 23%, 55%) |
| OKLCH | oklch(59.6% 0.066 272) |
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 #717DA7 | 4.04:1 | AA large text | Lc -73.2 | Content text, not long reading |
| Black text on #717DA7 | 5.19:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #717DA7 text on white | 4.04:1 | AA large text | Lc 67.7 | Content text, not long reading |
| #717DA7 text on black | 5.19:1 | AA | Lc -34.0 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D5D9E5
oklch(88.6% 0.017 271.2)
-
Step 300
300
#B9C0D6
oklch(80.9% 0.032 271.6)
-
Step 400
400
#959FC2
oklch(70.7% 0.052 272.5)
-
Step 500
500 (this color)
#717DA7
oklch(59.6% 0.066 272)
-
Step 600
600
#64719E
oklch(55.6% 0.072 271.5)
-
Step 700
700
#535E87
oklch(49% 0.067 272.2)
-
Step 800
800
#444D6E
oklch(42.7% 0.056 272.1)
-
Step 900
900
#394059
oklch(37.6% 0.044 272.1)
-
Step 950
950
#222634
oklch(27.1% 0.027 272.1)
#717DA7 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) | #7081A9 | 0.011 |
| Deuteranopia (no green cones) | #6C7CA6 | 0.008 |
| Tritanopia (no blue cones) | #62858B | 0.060 |
| Achromatopsia (no color) | #7E7E7E | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #717DA7
#717DA7
oklch(59.6% 0.066 272)
- #8D7E50
#8D7E50
oklch(59.6% 0.066 92.1)
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 #717DA7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Gray #7E7F9A ΔE 0.029
- Dusty Blue #5A86AD ΔE 0.034
- Off Blue #5684AE ΔE 0.035
- Slate Gray #708090 ΔE 0.040
- Steel #738595 ΔE 0.042
- Grey Blue #647D8E ΔE 0.045
- Light Slate Gray #778899 ΔE 0.045
- Faded Blue #658CBB ΔE 0.045
Use #717DA7 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.